139797574690 has 8 divisors (see below), whose sum is σ = 251635634460. Its totient is φ = 55919029872.

The previous prime is 139797574681. The next prime is 139797574799. The reversal of 139797574690 is 96475797931.

It can be written as a sum of positive squares in 2 ways, for example, as 136141074729 + 3656499961 = 368973^2 + 60469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×139797574690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6989878725 + ... + 6989878744.

Almost surely, 2^139797574690 is an apocalyptic number.

139797574690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139797574690 is a deficient number, since it is larger than the sum of its proper divisors (111838059770).

139797574690 is a wasteful number, since it uses less digits than its factorization.

139797574690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13979757476.

The product of its (nonzero) digits is 90016920, while the sum is 67.

The spelling of 139797574690 in words is "one hundred thirty-nine billion, seven hundred ninety-seven million, five hundred seventy-four thousand, six hundred ninety".