139716235520 has 72 divisors (see below), whose sum is σ = 352278003840. Its totient is φ = 52945090560.

The previous prime is 139716235499. The next prime is 139716235543. The reversal of 139716235520 is 25532617931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2848136 + ... + 2896775.

Almost surely, 2^139716235520 is an apocalyptic number.

139716235520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139716235520 is an abundant number, since it is smaller than the sum of its proper divisors (212561768320).

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

139716235520 is an equidigital number, since it uses as much as digits as its factorization.

139716235520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5744951 (or 5744937 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 139716235520 in words is "one hundred thirty-nine billion, seven hundred sixteen million, two hundred thirty-five thousand, five hundred twenty".