130213857 has 16 divisors (see below), whose sum is σ = 185402880. Its totient is φ = 81110400.

The previous prime is 130213849. The next prime is 130213861. The reversal of 130213857 is 758312031.

It is not a de Polignac number, because 130213857 - 2³ = 130213849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130213807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21444 + ... + 26837.

It is an arithmetic number, because the mean of its divisors is an integer number (11587680).

Almost surely, 2^130213857 is an apocalyptic number.

It is an amenable number.

130213857 is a deficient number, since it is larger than the sum of its proper divisors (55189023).

130213857 is a wasteful number, since it uses less digits than its factorization.

130213857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48344.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 130213857 is about 11411.1286470708. The cubic root of 130213857 is about 506.8573333551.

Adding to 130213857 its reverse (758312031), we get a palindrome (888525888).

The spelling of 130213857 in words is "one hundred thirty million, two hundred thirteen thousand, eight hundred fifty-seven".