137130717 has 4 divisors (see below), whose sum is σ = 182840960. Its totient is φ = 91420476.

The previous prime is 137130703. The next prime is 137130727. The reversal of 137130717 is 717031731.

137130717 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 not a de Polignac number, because 137130717 - 2¹⁰ = 137129693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137130727) 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, 22855117 + ... + 22855122.

It is an arithmetic number, because the mean of its divisors is an integer number (45710240).

Almost surely, 2^137130717 is an apocalyptic number.

It is an amenable number.

137130717 is a deficient number, since it is larger than the sum of its proper divisors (45710243).

137130717 is an equidigital number, since it uses as much as digits as its factorization.

137130717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45710242.

The product of its (nonzero) digits is 3087, while the sum is 30.

The square root of 137130717 is about 11710.2825328854. The cubic root of 137130717 is about 515.6775786090.

The spelling of 137130717 in words is "one hundred thirty-seven million, one hundred thirty thousand, seven hundred seventeen".