139271634816 has 64 divisors (see below), whose sum is σ = 370272611280. Its totient is φ = 46382174208.

The previous prime is 139271634767. The next prime is 139271634877. The reversal of 139271634816 is 618436172931.

It is a tau number, because it is divible by the number of its divisors (64).

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, 266580 + ... + 591276.

Almost surely, 2^139271634816 is an apocalyptic number.

139271634816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139271634816 is an abundant number, since it is smaller than the sum of its proper divisors (231000976464).

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

139271634816 is a wasteful number, since it uses less digits than its factorization.

139271634816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325831 (or 325819 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The spelling of 139271634816 in words is "one hundred thirty-nine billion, two hundred seventy-one million, six hundred thirty-four thousand, eight hundred sixteen".