139194834 has 16 divisors (see below), whose sum is σ = 280058688. Its totient is φ = 46120112.

The previous prime is 139194829. The next prime is 139194841. The reversal of 139194834 is 438491931.

139194834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68457 + ... + 70460.

It is an arithmetic number, because the mean of its divisors is an integer number (17503668).

Almost surely, 2^139194834 is an apocalyptic number.

139194834 is an abundant number, since it is smaller than the sum of its proper divisors (140863854).

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

139194834 is a wasteful number, since it uses less digits than its factorization.

139194834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139089.

The product of its digits is 93312, while the sum is 42.

The square root of 139194834 is about 11798.0860312171. The cubic root of 139194834 is about 518.2520624939.

The spelling of 139194834 in words is "one hundred thirty-nine million, one hundred ninety-four thousand, eight hundred thirty-four".