130172490 has 48 divisors (see below), whose sum is σ = 386800128. Its totient is φ = 29753568.

The previous prime is 130172489. The next prime is 130172501. The reversal of 130172490 is 94271031.

130172490 is a `hidden beast` number, since 1 + 3 + 0 + 172 + 490 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102682 + ... + 103941.

It is an arithmetic number, because the mean of its divisors is an integer number (8058336).

Almost surely, 2^130172490 is an apocalyptic number.

130172490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130172490 is an abundant number, since it is smaller than the sum of its proper divisors (256627638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130172490 is a wasteful number, since it uses less digits than its factorization.

130172490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206643 (or 206640 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 130172490 is about 11409.3159304141. The cubic root of 130172490 is about 506.8036539990.

The spelling of 130172490 in words is "one hundred thirty million, one hundred seventy-two thousand, four hundred ninety".