130457506 has 4 divisors (see below), whose sum is σ = 195686262. Its totient is φ = 65228752.

The previous prime is 130457479. The next prime is 130457513. The reversal of 130457506 is 605754031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 93915481 + 36542025 = 9691^2 + 6045^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32614375 + ... + 32614378.

Almost surely, 2^130457506 is an apocalyptic number.

130457506 is a deficient number, since it is larger than the sum of its proper divisors (65228756).

130457506 is an equidigital number, since it uses as much as digits as its factorization.

130457506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65228755.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 130457506 is about 11421.7995955103. The cubic root of 130457506 is about 507.1732708940.

The spelling of 130457506 in words is "one hundred thirty million, four hundred fifty-seven thousand, five hundred six".