130971399 has 16 divisors (see below), whose sum is σ = 190872192. Its totient is φ = 79393248.

The previous prime is 130971377. The next prime is 130971413. The reversal of 130971399 is 993179031.

It is not a de Polignac number, because 130971399 - 2⁵ = 130971367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130971399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130971329) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22449 + ... + 27674.

It is an arithmetic number, because the mean of its divisors is an integer number (11929512).

Almost surely, 2^130971399 is an apocalyptic number.

130971399 is a deficient number, since it is larger than the sum of its proper divisors (59900793).

130971399 is a wasteful number, since it uses less digits than its factorization.

130971399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50206.

The product of its (nonzero) digits is 45927, while the sum is 42.

The square root of 130971399 is about 11444.2736335689. The cubic root of 130971399 is about 507.8383439483.

The spelling of 130971399 in words is "one hundred thirty million, nine hundred seventy-one thousand, three hundred ninety-nine".