139174015812 has 48 divisors (see below), whose sum is σ = 351376842432. Its totient is φ = 42619812480.

The previous prime is 139174015789. The next prime is 139174015919. The reversal of 139174015812 is 218510471931.

It is a super-3 number, since 3×139174015812³ (a number of 34 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2081163 + ... + 2146994.

It is an arithmetic number, because the mean of its divisors is an integer number (7320350884).

Almost surely, 2^139174015812 is an apocalyptic number.

139174015812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139174015812 is an abundant number, since it is smaller than the sum of its proper divisors (212202826620).

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

139174015812 is a wasteful number, since it uses less digits than its factorization.

139174015812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228388 (or 4228386 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 139174015812 in words is "one hundred thirty-nine billion, one hundred seventy-four million, fifteen thousand, eight hundred twelve".