130656765 has 16 divisors (see below), whose sum is σ = 209478528. Its totient is φ = 69541056.

The previous prime is 130656751. The next prime is 130656809. The reversal of 130656765 is 567656031.

It is not a de Polignac number, because 130656765 - 2⁵ = 130656733 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1114 + ... + 16203.

It is an arithmetic number, because the mean of its divisors is an integer number (13092408).

Almost surely, 2^130656765 is an apocalyptic number.

130656765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130656765 is a deficient number, since it is larger than the sum of its proper divisors (78821763).

130656765 is a wasteful number, since it uses less digits than its factorization.

130656765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17828.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 130656765 is about 11430.5190170875. The cubic root of 130656765 is about 507.4313560323.

The spelling of 130656765 in words is "one hundred thirty million, six hundred fifty-six thousand, seven hundred sixty-five".