139040064417492 has 72 divisors (see below), whose sum is σ = 425299020584256. Its totient is φ = 37388924884224.

The previous prime is 139040064417481. The next prime is 139040064417521. The reversal of 139040064417492 is 294714460040931.

It is a happy number.

139040064417492 is a `hidden beast` number, since 1 + 3 + 9 + 0 + 40 + 0 + 6 + 441 + 74 + 92 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16227827698 + ... + 16227836265.

It is an arithmetic number, because the mean of its divisors is an integer number (5906930841448).

Almost surely, 2^{139040064417492} is an apocalyptic number.

139040064417492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139040064417492 is an abundant number, since it is smaller than the sum of its proper divisors (286258956166764).

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

139040064417492 is a wasteful number, since it uses less digits than its factorization.

139040064417492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32455663997 (or 32455663992 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 139040064417492 in words is "one hundred thirty-nine trillion, forty billion, sixty-four million, four hundred seventeen thousand, four hundred ninety-two".