137375137 has 4 divisors (see below), whose sum is σ = 138026416. Its totient is φ = 136723860.

The previous prime is 137375129. The next prime is 137375141. The reversal of 137375137 is 731573731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 137375137 - 2³ = 137375129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137375096 and 137375105.

It is not an unprimeable number, because it can be changed into a prime (137375107) 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, 325323 + ... + 325744.

It is an arithmetic number, because the mean of its divisors is an integer number (34506604).

Almost surely, 2^137375137 is an apocalyptic number.

It is an amenable number.

137375137 is a deficient number, since it is larger than the sum of its proper divisors (651279).

137375137 is an equidigital number, since it uses as much as digits as its factorization.

137375137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651278.

The product of its digits is 46305, while the sum is 37.

The square root of 137375137 is about 11720.7140140863. The cubic root of 137375137 is about 515.9837757553.

The spelling of 137375137 in words is "one hundred thirty-seven million, three hundred seventy-five thousand, one hundred thirty-seven".