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140000000000 = 2115107
BaseRepresentation
bin1000001001100010100…
…1100111100000000000
3111101100211200212202012
42002120221213200000
54243210000000000
6144152021512052
713054221236210
oct2023051474000
9441324625665
10140000000000
1154412394143
1223171872628
1310281891cb3
146ac162c240
153995c21735
hex2098a67800

140000000000 has 264 divisors, whose sum is σ = 399902335560. Its totient is φ = 48000000000.

The previous prime is 139999999991. The next prime is 140000000009. The reversal of 140000000000 is 41.

It is an interprime number because it is at equal distance from previous prime (139999999991) and next prime (140000000009).

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140000000009) by changing a digit.

It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 19999999997 + ... + 20000000003.

Almost surely, 2140000000000 is an apocalyptic number.

140000000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199951167780).

140000000000 is an abundant number, since it is smaller than the sum of its proper divisors (259902335560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140000000000 is an frugal number, since it uses more digits than its factorization.

140000000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 14 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

Adding to 140000000000 its reverse (41), we get a palindrome (140000000041).

The spelling of 140000000000 in words is "one hundred forty billion", and thus it is an aban number.