137976137 has 4 divisors (see below), whose sum is σ = 148589700. Its totient is φ = 127362576.

The previous prime is 137976101. The next prime is 137976173. The reversal of 137976137 is 731679731.

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

It is an interprime number because it is at equal distance from previous prime (137976101) and next prime (137976173).

It can be written as a sum of positive squares in 2 ways, for example, as 41229241 + 96746896 = 6421^2 + 9836^2 .

It is a cyclic number.

It is not a de Polignac number, because 137976137 - 2⁶ = 137976073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137976197) 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, 5306762 + ... + 5306787.

It is an arithmetic number, because the mean of its divisors is an integer number (37147425).

Almost surely, 2^137976137 is an apocalyptic number.

It is an amenable number.

137976137 is a deficient number, since it is larger than the sum of its proper divisors (10613563).

137976137 is a wasteful number, since it uses less digits than its factorization.

137976137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10613562.

The product of its digits is 166698, while the sum is 44.

The square root of 137976137 is about 11746.3244038295. The cubic root of 137976137 is about 516.7351371391.

The spelling of 137976137 in words is "one hundred thirty-seven million, nine hundred seventy-six thousand, one hundred thirty-seven".