130475920 has 40 divisors (see below), whose sum is σ = 304980480. Its totient is φ = 51911040.

The previous prime is 130475909. The next prime is 130475927. The reversal of 130475920 is 29574031.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (130475927) 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, 11011 + ... + 19549.

It is an arithmetic number, because the mean of its divisors is an integer number (7624512).

Almost surely, 2^130475920 is an apocalyptic number.

130475920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130475920 is an abundant number, since it is smaller than the sum of its proper divisors (174504560).

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

130475920 is a wasteful number, since it uses less digits than its factorization.

130475920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8743 (or 8737 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 130475920 is about 11422.6056572045. The cubic root of 130475920 is about 507.1971321740.

The spelling of 130475920 in words is "one hundred thirty million, four hundred seventy-five thousand, nine hundred twenty".