139345934 has 32 divisors (see below), whose sum is σ = 257880000. Its totient is φ = 54991872.

The previous prime is 139345901. The next prime is 139345939. The reversal of 139345934 is 439543931.

It is a junction number, because it is equal to n+sod(n) for n = 139345891 and 139345900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139345939) 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, 110942 + ... + 112190.

It is an arithmetic number, because the mean of its divisors is an integer number (8058750).

Almost surely, 2^139345934 is an apocalyptic number.

139345934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

139345934 is a deficient number, since it is larger than the sum of its proper divisors (118534066).

139345934 is a wasteful number, since it uses less digits than its factorization.

139345934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884.

The product of its digits is 174960, while the sum is 41.

The square root of 139345934 is about 11804.4878753803. The cubic root of 139345934 is about 518.4395205250.

The spelling of 139345934 in words is "one hundred thirty-nine million, three hundred forty-five thousand, nine hundred thirty-four".