130557198 has 16 divisors (see below), whose sum is σ = 261665280. Its totient is φ = 43427256.

The previous prime is 130557191. The next prime is 130557199. The reversal of 130557198 is 891755031.

It is a super-2 number, since 2×130557198² = 34090363899222408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130557191) 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, 19840 + ... + 25587.

It is an arithmetic number, because the mean of its divisors is an integer number (16354080).

Almost surely, 2^130557198 is an apocalyptic number.

130557198 is an abundant number, since it is smaller than the sum of its proper divisors (131108082).

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

130557198 is a wasteful number, since it uses less digits than its factorization.

130557198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45911.

The product of its (nonzero) digits is 37800, while the sum is 39.

The square root of 130557198 is about 11426.1628729858. The cubic root of 130557198 is about 507.3024272393.

The spelling of 130557198 in words is "one hundred thirty million, five hundred fifty-seven thousand, one hundred ninety-eight".