137939796 has 18 divisors (see below), whose sum is σ = 348681242. Its totient is φ = 45979920.

The previous prime is 137939779. The next prime is 137939831. The reversal of 137939796 is 697939731.

It can be written as a sum of positive squares in only one way, i.e., 117418896 + 20520900 = 10836^2 + 4530^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1915795 + ... + 1915866.

Almost surely, 2^137939796 is an apocalyptic number.

It is an amenable number.

137939796 is an abundant number, since it is smaller than the sum of its proper divisors (210741446).

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

137939796 is a wasteful number, since it uses less digits than its factorization.

137939796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831671 (or 3831666 counting only the distinct ones).

The product of its digits is 1928934, while the sum is 54.

The square root of 137939796 is about 11744.7773925264. Note that the first 3 decimals coincide. The cubic root of 137939796 is about 516.6897662004.

The spelling of 137939796 in words is "one hundred thirty-seven million, nine hundred thirty-nine thousand, seven hundred ninety-six".