970185137 has 4 divisors (see below), whose sum is σ = 970257216. Its totient is φ = 970113060.

The previous prime is 970185133. The next prime is 970185143. The reversal of 970185137 is 731581079.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 970185137 - 2² = 970185133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 970185094 and 970185103.

It is not an unprimeable number, because it can be changed into a prime (970185133) 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, 9173 + ... + 44994.

It is an arithmetic number, because the mean of its divisors is an integer number (242564304).

Almost surely, 2^970185137 is an apocalyptic number.

It is an amenable number.

970185137 is a deficient number, since it is larger than the sum of its proper divisors (72079).

970185137 is a wasteful number, since it uses less digits than its factorization.

970185137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72078.

The product of its (nonzero) digits is 52920, while the sum is 41.

The square root of 970185137 is about 31147.7950583986. The cubic root of 970185137 is about 989.9612735251.

The spelling of 970185137 in words is "nine hundred seventy million, one hundred eighty-five thousand, one hundred thirty-seven".