140439318528 has 104 divisors (see below), whose sum is σ = 396486731088. Its totient is φ = 44059328512.

The previous prime is 140439318517. The next prime is 140439318563. The reversal of 140439318528 is 825813934041.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127251 + ... + 545042.

Almost surely, 2^140439318528 is an apocalyptic number.

It is an amenable number.

140439318528 is an abundant number, since it is smaller than the sum of its proper divisors (256047412560).

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

140439318528 is an equidigital number, since it uses as much as digits as its factorization.

140439318528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672337 (or 672315 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 140439318528 in words is "one hundred forty billion, four hundred thirty-nine million, three hundred eighteen thousand, five hundred twenty-eight".