130878361 has 8 divisors (see below), whose sum is σ = 134724744. Its totient is φ = 127048320.

The previous prime is 130878353. The next prime is 130878379. The reversal of 130878361 is 163878031.

It can be written as a sum of positive squares in 4 ways, for example, as 41216400 + 89661961 = 6420^2 + 9469^2 .

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 130878361 - 2³ = 130878353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130878361.

It is not an unprimeable number, because it can be changed into a prime (130870361) 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, 13221 + ... + 20893.

It is an arithmetic number, because the mean of its divisors is an integer number (16840593).

Almost surely, 2^130878361 is an apocalyptic number.

It is an amenable number.

130878361 is a deficient number, since it is larger than the sum of its proper divisors (3846383).

130878361 is an equidigital number, since it uses as much as digits as its factorization.

130878361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8171.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 130878361 is about 11440.2080837719. The cubic root of 130878361 is about 507.7180646188.

The spelling of 130878361 in words is "one hundred thirty million, eight hundred seventy-eight thousand, three hundred sixty-one".