131670379 has 2 divisors, whose sum is σ = 131670380. Its totient is φ = 131670378.

The previous prime is 131670347. The next prime is 131670401. The reversal of 131670379 is 973076131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131670379 - 2⁵ = 131670347 is a prime.

It is not a weakly prime, because it can be changed into another prime (131670479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65835189 + 65835190.

It is an arithmetic number, because the mean of its divisors is an integer number (65835190).

Almost surely, 2^131670379 is an apocalyptic number.

131670379 is a deficient number, since it is larger than the sum of its proper divisors (1).

131670379 is an equidigital number, since it uses as much as digits as its factorization.

131670379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 131670379 is about 11474.7714138452. The cubic root of 131670379 is about 508.7401673932.

The spelling of 131670379 in words is "one hundred thirty-one million, six hundred seventy thousand, three hundred seventy-nine".