130561136452 has 12 divisors (see below), whose sum is σ = 230149741500. Its totient is φ = 64804067456.

The previous prime is 130561136449. The next prime is 130561136477. The reversal of 130561136452 is 254631165031.

It can be written as a sum of positive squares in 2 ways, for example, as 93278933056 + 37282203396 = 305416^2 + 193086^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119124577 + ... + 119125672.

It is an arithmetic number, because the mean of its divisors is an integer number (19179145125).

Almost surely, 2^130561136452 is an apocalyptic number.

It is an amenable number.

130561136452 is a deficient number, since it is larger than the sum of its proper divisors (99588605048).

130561136452 is a wasteful number, since it uses less digits than its factorization.

130561136452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238250390 (or 238250388 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 130561136452 in words is "one hundred thirty billion, five hundred sixty-one million, one hundred thirty-six thousand, four hundred fifty-two".