137349929 has 4 divisors (see below), whose sum is σ = 137539584. Its totient is φ = 137160276.

The previous prime is 137349913. The next prime is 137349943. The reversal of 137349929 is 929943731.

It is a happy number.

137349929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 137349929 - 2⁴ = 137349913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137349229) 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, 93737 + ... + 95190.

It is an arithmetic number, because the mean of its divisors is an integer number (34384896).

Almost surely, 2^137349929 is an apocalyptic number.

It is an amenable number.

137349929 is a deficient number, since it is larger than the sum of its proper divisors (189655).

137349929 is an equidigital number, since it uses as much as digits as its factorization.

137349929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189654.

The product of its digits is 367416, while the sum is 47.

The square root of 137349929 is about 11719.6386036430. The cubic root of 137349929 is about 515.9522132398.

The spelling of 137349929 in words is "one hundred thirty-seven million, three hundred forty-nine thousand, nine hundred twenty-nine".