137900706 has 16 divisors (see below), whose sum is σ = 276675264. Its totient is φ = 45821264.

The previous prime is 137900683. The next prime is 137900717. The reversal of 137900706 is 607009731.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 34350 + ... + 38153.

It is an arithmetic number, because the mean of its divisors is an integer number (17292204).

Almost surely, 2^137900706 is an apocalyptic number.

137900706 is an abundant number, since it is smaller than the sum of its proper divisors (138774558).

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

137900706 is a wasteful number, since it uses less digits than its factorization.

137900706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72825.

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 137900706 is about 11743.1131306822. The cubic root of 137900706 is about 516.6409542991.

The spelling of 137900706 in words is "one hundred thirty-seven million, nine hundred thousand, seven hundred six".