139072772428 has 12 divisors (see below), whose sum is σ = 244040507872. Its totient is φ = 69346913040.

The previous prime is 139072772411. The next prime is 139072772429. The reversal of 139072772428 is 824277270931.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (139072772429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47366643 + ... + 47369578.

Almost surely, 2^139072772428 is an apocalyptic number.

It is an amenable number.

139072772428 is a deficient number, since it is larger than the sum of its proper divisors (104967735444).

139072772428 is a wasteful number, since it uses less digits than its factorization.

139072772428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94736592 (or 94736590 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 139072772428 in words is "one hundred thirty-nine billion, seventy-two million, seven hundred seventy-two thousand, four hundred twenty-eight".