130032977 has 4 divisors (see below), whose sum is σ = 130156596. Its totient is φ = 129909360.

The previous prime is 130032923. The next prime is 130033039. The reversal of 130032977 is 779230031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 779230031 = 8971 ⋅86861.

It can be written as a sum of positive squares in 2 ways, for example, as 83192641 + 46840336 = 9121^2 + 6844^2 .

It is a cyclic number.

It is not a de Polignac number, because 130032977 - 2¹⁶ = 129967441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130032277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60218 + ... + 62339.

It is an arithmetic number, because the mean of its divisors is an integer number (32539149).

Almost surely, 2^130032977 is an apocalyptic number.

It is an amenable number.

130032977 is a deficient number, since it is larger than the sum of its proper divisors (123619).

130032977 is a wasteful number, since it uses less digits than its factorization.

130032977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123618.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 130032977 is about 11403.2002964080. The cubic root of 130032977 is about 506.6225328498.

The spelling of 130032977 in words is "one hundred thirty million, thirty-two thousand, nine hundred seventy-seven".