130772665 has 8 divisors (see below), whose sum is σ = 158073480. Its totient is φ = 103853952.

The previous prime is 130772647. The next prime is 130772693. The reversal of 130772665 is 566277031.

It can be written as a sum of positive squares in 4 ways, for example, as 10738729 + 120033936 = 3277^2 + 10956^2 .

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 130772665 - 2⁹ = 130772153 is a prime.

It is a super-2 number, since 2×130772665² = 34202979822404450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94770 + ... + 96139.

It is an arithmetic number, because the mean of its divisors is an integer number (19759185).

Almost surely, 2^130772665 is an apocalyptic number.

It is an amenable number.

130772665 is a deficient number, since it is larger than the sum of its proper divisors (27300815).

130772665 is a wasteful number, since it uses less digits than its factorization.

130772665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191051.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 130772665 is about 11435.5876543359. The cubic root of 130772665 is about 507.5813518709.

The spelling of 130772665 in words is "one hundred thirty million, seven hundred seventy-two thousand, six hundred sixty-five".