137939255695 has 4 divisors (see below), whose sum is σ = 165527106840. Its totient is φ = 110351404552.

The previous prime is 137939255677. The next prime is 137939255777. The reversal of 137939255695 is 596552939731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137939255695 - 2¹⁷ = 137939124623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13793925565 + ... + 13793925574.

It is an arithmetic number, because the mean of its divisors is an integer number (41381776710).

Almost surely, 2^137939255695 is an apocalyptic number.

137939255695 is a deficient number, since it is larger than the sum of its proper divisors (27587851145).

137939255695 is an equidigital number, since it uses as much as digits as its factorization.

137939255695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27587851144.

The product of its digits is 68890500, while the sum is 64.

The spelling of 137939255695 in words is "one hundred thirty-seven billion, nine hundred thirty-nine million, two hundred fifty-five thousand, six hundred ninety-five".