139619934 has 24 divisors (see below), whose sum is σ = 302868072. Its totient is φ = 46484880.

The previous prime is 139619933. The next prime is 139619947. The reversal of 139619934 is 439916931.

139619934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 139619934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139619933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12817 + ... + 21059.

It is an arithmetic number, because the mean of its divisors is an integer number (12619503).

Almost surely, 2^139619934 is an apocalyptic number.

139619934 is an abundant number, since it is smaller than the sum of its proper divisors (163248138).

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

139619934 is a wasteful number, since it uses less digits than its factorization.

139619934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9192 (or 9189 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 139619934 is about 11816.0879312910. The cubic root of 139619934 is about 518.7791056587.

The spelling of 139619934 in words is "one hundred thirty-nine million, six hundred nineteen thousand, nine hundred thirty-four".