137710979 has 4 divisors (see below), whose sum is σ = 157383984. Its totient is φ = 118037976.

The previous prime is 137710973. The next prime is 137711011. The reversal of 137710979 is 979017731.

It is a happy number.

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

It is not a de Polignac number, because 137710979 - 2²⁴ = 120933763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137710973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9836492 + ... + 9836505.

It is an arithmetic number, because the mean of its divisors is an integer number (39345996).

Almost surely, 2^137710979 is an apocalyptic number.

137710979 is a deficient number, since it is larger than the sum of its proper divisors (19673005).

137710979 is an equidigital number, since it uses as much as digits as its factorization.

137710979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19673004.

The product of its (nonzero) digits is 83349, while the sum is 44.

The square root of 137710979 is about 11735.0321260745. The cubic root of 137710979 is about 516.4039100068.

The spelling of 137710979 in words is "one hundred thirty-seven million, seven hundred ten thousand, nine hundred seventy-nine".