137006232722 has 18 divisors (see below), whose sum is σ = 206597847573. Its totient is φ = 68142189312.

The previous prime is 137006232709. The next prime is 137006232761. The reversal of 137006232722 is 227232600731.

It can be written as a sum of positive squares in 2 ways, for example, as 124278105961 + 12728126761 = 352531^2 + 112819^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=261731.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 118825298 + ... + 118826450.

Almost surely, 2^137006232722 is an apocalyptic number.

137006232722 is a deficient number, since it is larger than the sum of its proper divisors (69591614851).

137006232722 is an frugal number, since it uses more digits than its factorization.

137006232722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762 (or 1382 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The spelling of 137006232722 in words is "one hundred thirty-seven billion, six million, two hundred thirty-two thousand, seven hundred twenty-two".