137130822685 has 4 divisors (see below), whose sum is σ = 164556987228. Its totient is φ = 109704658144.

The previous prime is 137130822679. The next prime is 137130822727. The reversal of 137130822685 is 586228031731.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14511093444 + 122619729241 = 120462^2 + 350171^2 .

It is a cyclic number.

It is not a de Polignac number, because 137130822685 - 2⁹ = 137130822173 is a prime.

It is a Duffinian number.

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, 13713082264 + ... + 13713082273.

It is an arithmetic number, because the mean of its divisors is an integer number (41139246807).

Almost surely, 2^137130822685 is an apocalyptic number.

It is an amenable number.

137130822685 is a deficient number, since it is larger than the sum of its proper divisors (27426164543).

137130822685 is an equidigital number, since it uses as much as digits as its factorization.

137130822685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27426164542.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 137130822685 in words is "one hundred thirty-seven billion, one hundred thirty million, eight hundred twenty-two thousand, six hundred eighty-five".