139120926 has 32 divisors (see below), whose sum is σ = 334728960. Its totient is φ = 37656576.

The previous prime is 139120921. The next prime is 139120937. The reversal of 139120926 is 629021931.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139120921) 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, 86371 + ... + 87966.

It is an arithmetic number, because the mean of its divisors is an integer number (10460280).

Almost surely, 2^139120926 is an apocalyptic number.

139120926 is an abundant number, since it is smaller than the sum of its proper divisors (195608034).

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

139120926 is a wasteful number, since it uses less digits than its factorization.

139120926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174368.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 139120926 is about 11794.9534123709. The cubic root of 139120926 is about 518.1603211709.

The spelling of 139120926 in words is "one hundred thirty-nine million, one hundred twenty thousand, nine hundred twenty-six".