139154489187840 has 3200 divisors, whose sum is σ = 632553391134720. Its totient is φ = 28605822271488.

The previous prime is 139154489187827. The next prime is 139154489187893. The reversal of 139154489187840 is 48781984451931.

139154489187840 is a `hidden beast` number, since 1 + 3 + 9 + 1 + 54 + 489 + 18 + 7 + 84 + 0 = 666.

It is a super-2 number, since 2×139154489187840² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 137913269256 + ... + 137913270264.

Almost surely, 2^{139154489187840} is an apocalyptic number.

139154489187840 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 139154489187840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316276695567360).

139154489187840 is an abundant number, since it is smaller than the sum of its proper divisors (493398901946880).

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

139154489187840 is an frugal number, since it uses more digits than its factorization.

139154489187840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 72.

The spelling of 139154489187840 in words is "one hundred thirty-nine trillion, one hundred fifty-four billion, four hundred eighty-nine million, one hundred eighty-seven thousand, eight hundred forty".