137346139 has 4 divisors (see below), whose sum is σ = 156967024. Its totient is φ = 117725256.

The previous prime is 137346137. The next prime is 137346149. The reversal of 137346139 is 931643731.

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

It is a cyclic number.

It is not a de Polignac number, because 137346139 - 2¹ = 137346137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137346098 and 137346107.

It is not an unprimeable number, because it can be changed into a prime (137346137) 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, 9810432 + ... + 9810445.

It is an arithmetic number, because the mean of its divisors is an integer number (39241756).

Almost surely, 2^137346139 is an apocalyptic number.

137346139 is a deficient number, since it is larger than the sum of its proper divisors (19620885).

137346139 is an equidigital number, since it uses as much as digits as its factorization.

137346139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19620884.

The product of its digits is 40824, while the sum is 37.

The square root of 137346139 is about 11719.4769081218. The cubic root of 137346139 is about 515.9474675102.

The spelling of 137346139 in words is "one hundred thirty-seven million, three hundred forty-six thousand, one hundred thirty-nine".