139392711128 has 16 divisors (see below), whose sum is σ = 285121454760. Its totient is φ = 63360323200.

The previous prime is 139392711121. The next prime is 139392711137. The reversal of 139392711128 is 821117293931.

It is a super-2 number, since 2×139392711128² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139392711121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792003953 + ... + 792004128.

Almost surely, 2^139392711128 is an apocalyptic number.

It is an amenable number.

139392711128 is an abundant number, since it is smaller than the sum of its proper divisors (145728743632).

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

139392711128 is a wasteful number, since it uses less digits than its factorization.

139392711128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584008098 (or 1584008094 counting only the distinct ones).

The product of its digits is 163296, while the sum is 47.

The spelling of 139392711128 in words is "one hundred thirty-nine billion, three hundred ninety-two million, seven hundred eleven thousand, one hundred twenty-eight".