130815475 has 24 divisors (see below), whose sum is σ = 195146240. Its totient is φ = 84978720.

The previous prime is 130815473. The next prime is 130815479. The reversal of 130815475 is 574518031.

It is a happy number.

It is not a de Polignac number, because 130815475 - 2¹ = 130815473 is a prime.

It is a super-2 number, since 2×130815475² = 34225376998951250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130815475.

It is not an unprimeable number, because it can be changed into a prime (130815473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16347 + ... + 22996.

Almost surely, 2^130815475 is an apocalyptic number.

130815475 is a deficient number, since it is larger than the sum of its proper divisors (64330765).

130815475 is a wasteful number, since it uses less digits than its factorization.

130815475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39379 (or 39374 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 130815475 is about 11437.4592895450. The cubic root of 130815475 is about 507.6367334420.

The spelling of 130815475 in words is "one hundred thirty million, eight hundred fifteen thousand, four hundred seventy-five".