130395977 has 8 divisors (see below), whose sum is σ = 135240840. Its totient is φ = 125574400.

The previous prime is 130395971. The next prime is 130395983. The reversal of 130395977 is 779593031.

It is an interprime number because it is at equal distance from previous prime (130395971) and next prime (130395983).

It can be written as a sum of positive squares in 4 ways, for example, as 25210441 + 105185536 = 5021^2 + 10256^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130395977 - 2⁴ = 130395961 is a prime.

It is a super-2 number, since 2×130395977² = 34006221635569058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130395971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6023 + ... + 17235.

It is an arithmetic number, because the mean of its divisors is an integer number (16905105).

Almost surely, 2^130395977 is an apocalyptic number.

It is an amenable number.

130395977 is a deficient number, since it is larger than the sum of its proper divisors (4844863).

130395977 is a wasteful number, since it uses less digits than its factorization.

130395977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11643.

The product of its (nonzero) digits is 178605, while the sum is 44.

The square root of 130395977 is about 11419.1057881079. The cubic root of 130395977 is about 507.0935239266.

The spelling of 130395977 in words is "one hundred thirty million, three hundred ninety-five thousand, nine hundred seventy-seven".