130557628 has 6 divisors (see below), whose sum is σ = 228475856. Its totient is φ = 65278812.

The previous prime is 130557617. The next prime is 130557631. The reversal of 130557628 is 826755031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16319700 + ... + 16319707.

Almost surely, 2^130557628 is an apocalyptic number.

It is an amenable number.

130557628 is a deficient number, since it is larger than the sum of its proper divisors (97918228).

130557628 is a wasteful number, since it uses less digits than its factorization.

130557628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32639411 (or 32639409 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 130557628 is about 11426.1816894359. The cubic root of 130557628 is about 507.3029841850.

The spelling of 130557628 in words is "one hundred thirty million, five hundred fifty-seven thousand, six hundred twenty-eight".