139078794272 has 24 divisors (see below), whose sum is σ = 298703320272. Its totient is φ = 63217633600.

The previous prime is 139078794223. The next prime is 139078794287. The reversal of 139078794272 is 272497870931.

It is a super-2 number, since 2×139078794272² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197554754 + ... + 197555457.

It is an arithmetic number, because the mean of its divisors is an integer number (12445971678).

Almost surely, 2^139078794272 is an apocalyptic number.

It is an amenable number.

139078794272 is an abundant number, since it is smaller than the sum of its proper divisors (159624526000).

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

139078794272 is a wasteful number, since it uses less digits than its factorization.

139078794272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395110232 (or 395110224 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 59.

The spelling of 139078794272 in words is "one hundred thirty-nine billion, seventy-eight million, seven hundred ninety-four thousand, two hundred seventy-two".