170131157 has 8 divisors (see below), whose sum is σ = 197338176. Its totient is φ = 143649792.

The previous prime is 170131147. The next prime is 170131183. The reversal of 170131157 is 751131071.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 170131157 - 2¹⁰ = 170130133 is a prime.

It is a super-2 number, since 2×170131157² = 57889221164317298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170131127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180908 + ... + 181845.

It is an arithmetic number, because the mean of its divisors is an integer number (24667272).

Almost surely, 2^170131157 is an apocalyptic number.

It is an amenable number.

170131157 is a deficient number, since it is larger than the sum of its proper divisors (27207019).

170131157 is an equidigital number, since it uses as much as digits as its factorization.

170131157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362827.

The product of its (nonzero) digits is 735, while the sum is 26.

The square root of 170131157 is about 13043.4334820246. The cubic root of 170131157 is about 554.1082527709.

The spelling of 170131157 in words is "one hundred seventy million, one hundred thirty-one thousand, one hundred fifty-seven".