130787523 has 12 divisors (see below), whose sum is σ = 189961408. Its totient is φ = 86708880.

The previous prime is 130787519. The next prime is 130787549. The reversal of 130787523 is 325787031.

It is not a de Polignac number, because 130787523 - 2² = 130787519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130787513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38515 + ... + 41772.

Almost surely, 2^130787523 is an apocalyptic number.

130787523 is a deficient number, since it is larger than the sum of its proper divisors (59173885).

130787523 is a wasteful number, since it uses less digits than its factorization.

130787523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80474 (or 80471 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 130787523 is about 11436.2372745584. The cubic root of 130787523 is about 507.6005744358.

The spelling of 130787523 in words is "one hundred thirty million, seven hundred eighty-seven thousand, five hundred twenty-three".