130865390 has 16 divisors (see below), whose sum is σ = 240570432. Its totient is φ = 51232224.

The previous prime is 130865347. The next prime is 130865401. The reversal of 130865390 is 93568031.

It is a self number, because there is not a number n which added to its sum of digits gives 130865390.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138749 + ... + 139688.

It is an arithmetic number, because the mean of its divisors is an integer number (15035652).

Almost surely, 2^130865390 is an apocalyptic number.

130865390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130865390 is a deficient number, since it is larger than the sum of its proper divisors (109705042).

130865390 is a wasteful number, since it uses less digits than its factorization.

130865390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278491.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 130865390 is about 11439.6411657010. The cubic root of 130865390 is about 507.7012912104.

The spelling of 130865390 in words is "one hundred thirty million, eight hundred sixty-five thousand, three hundred ninety".