140254147840 has 72 divisors (see below), whose sum is σ = 340205322240. Its totient is φ = 55391471616.

The previous prime is 140254147799. The next prime is 140254147849. The reversal of 140254147840 is 48741452041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 140254147793 and 140254147802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140254147849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592384 + ... + 794623.

It is an arithmetic number, because the mean of its divisors is an integer number (4725073920).

Almost surely, 2^140254147840 is an apocalyptic number.

140254147840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140254147840 is an abundant number, since it is smaller than the sum of its proper divisors (199951174400).

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

140254147840 is an equidigital number, since it uses as much as digits as its factorization.

140254147840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387107 (or 1387093 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

Adding to 140254147840 its reverse (48741452041), we get a palindrome (188995599881).

The spelling of 140254147840 in words is "one hundred forty billion, two hundred fifty-four million, one hundred forty-seven thousand, eight hundred forty".