130356557 has 4 divisors (see below), whose sum is σ = 132006720. Its totient is φ = 128706396.

The previous prime is 130356553. The next prime is 130356601. The reversal of 130356557 is 755653031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130356557 - 2² = 130356553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130356553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824963 + ... + 825120.

It is an arithmetic number, because the mean of its divisors is an integer number (33001680).

Almost surely, 2^130356557 is an apocalyptic number.

It is an amenable number.

130356557 is a deficient number, since it is larger than the sum of its proper divisors (1650163).

130356557 is an equidigital number, since it uses as much as digits as its factorization.

130356557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650162.

The product of its (nonzero) digits is 47250, while the sum is 35.

The square root of 130356557 is about 11417.3796030438. The cubic root of 130356557 is about 507.0424189721.

The spelling of 130356557 in words is "one hundred thirty million, three hundred fifty-six thousand, five hundred fifty-seven".