130525986 has 16 divisors (see below), whose sum is σ = 261795744. Its totient is φ = 43384704.

The previous prime is 130525979. The next prime is 130525987. The reversal of 130525986 is 689525031.

130525986 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (130525987) 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, 28696 + ... + 32931.

It is an arithmetic number, because the mean of its divisors is an integer number (16362234).

Almost surely, 2^130525986 is an apocalyptic number.

130525986 is an abundant number, since it is smaller than the sum of its proper divisors (131269758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130525986 is a wasteful number, since it uses less digits than its factorization.

130525986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61985.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 130525986 is about 11424.7969785025. The cubic root of 130525986 is about 507.2619974875.

It can be divided in two parts, 1305 and 25986, that multiplied together give a triangular number (33911730 = T₈₂₃₅).

The spelling of 130525986 in words is "one hundred thirty million, five hundred twenty-five thousand, nine hundred eighty-six".