139553967 has 16 divisors (see below), whose sum is σ = 213034752. Its totient is φ = 79602240.

The previous prime is 139553957. The next prime is 139553977. The reversal of 139553967 is 769355931.

139553967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (139553957) and next prime (139553977).

It is not a de Polignac number, because 139553967 - 2⁷ = 139553839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139553927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6667 + ... + 17987.

It is an arithmetic number, because the mean of its divisors is an integer number (13314672).

Almost surely, 2^139553967 is an apocalyptic number.

139553967 is a deficient number, since it is larger than the sum of its proper divisors (73480785).

139553967 is a wasteful number, since it uses less digits than its factorization.

139553967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11918.

The product of its digits is 765450, while the sum is 48.

The square root of 139553967 is about 11813.2961953893. The cubic root of 139553967 is about 518.6973893130.

The spelling of 139553967 in words is "one hundred thirty-nine million, five hundred fifty-three thousand, nine hundred sixty-seven".