130488857 has 4 divisors (see below), whose sum is σ = 130637520. Its totient is φ = 130340196.

The previous prime is 130488851. The next prime is 130488859. The reversal of 130488857 is 758884031.

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, and also an emirpimes, since its reverse is a distinct semiprime: 758884031 = 331 ⋅2292701.

It is a cyclic number.

It is not a de Polignac number, because 130488857 - 2⁶ = 130488793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130488851) 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, 73007 + ... + 74772.

It is an arithmetic number, because the mean of its divisors is an integer number (32659380).

Almost surely, 2^130488857 is an apocalyptic number.

It is an amenable number.

130488857 is a deficient number, since it is larger than the sum of its proper divisors (148663).

130488857 is an equidigital number, since it uses as much as digits as its factorization.

130488857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148662.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 130488857 is about 11423.1719325238. The cubic root of 130488857 is about 507.2138948902.

The spelling of 130488857 in words is "one hundred thirty million, four hundred eighty-eight thousand, eight hundred fifty-seven".