130907808 has 36 divisors (see below), whose sum is σ = 372269898. Its totient is φ = 43635840.

The previous prime is 130907797. The next prime is 130907869. The reversal of 130907808 is 808709031.

It can be written as a sum of positive squares in only one way, i.e., 98962704 + 31945104 = 9948^2 + 5652^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226983 + ... + 227558.

Almost surely, 2^130907808 is an apocalyptic number.

130907808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

130907808 is an abundant number, since it is smaller than the sum of its proper divisors (241362090).

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

130907808 is a wasteful number, since it uses less digits than its factorization.

130907808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454557 (or 454546 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 130907808 is about 11441.4950072095. The cubic root of 130907808 is about 507.7561398020.

The spelling of 130907808 in words is "one hundred thirty million, nine hundred seven thousand, eight hundred eight".