131475157 has 8 divisors (see below), whose sum is σ = 143553312. Its totient is φ = 119418000.

The previous prime is 131475133. The next prime is 131475163. The reversal of 131475157 is 751574131.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131475157 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 (131473157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9718 + ... + 18904.

It is an arithmetic number, because the mean of its divisors is an integer number (17944164).

Almost surely, 2^131475157 is an apocalyptic number.

It is an amenable number.

131475157 is a deficient number, since it is larger than the sum of its proper divisors (12078155).

131475157 is a wasteful number, since it uses less digits than its factorization.

131475157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10499.

The product of its digits is 14700, while the sum is 34.

The square root of 131475157 is about 11466.2616837398. The cubic root of 131475157 is about 508.4886139847.

The spelling of 131475157 in words is "one hundred thirty-one million, four hundred seventy-five thousand, one hundred fifty-seven".