131040379 has 4 divisors (see below), whose sum is σ = 135267520. Its totient is φ = 126813240.

The previous prime is 131040353. The next prime is 131040389. The reversal of 131040379 is 973040131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131040379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131040319) 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 3 ways as a sum of consecutive naturals, for example, 2113524 + ... + 2113585.

It is an arithmetic number, because the mean of its divisors is an integer number (33816880).

Almost surely, 2^131040379 is an apocalyptic number.

131040379 is a deficient number, since it is larger than the sum of its proper divisors (4227141).

131040379 is an equidigital number, since it uses as much as digits as its factorization.

131040379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4227140.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 131040379 is about 11447.2869711561. The cubic root of 131040379 is about 507.9274843791.

The spelling of 131040379 in words is "one hundred thirty-one million, forty thousand, three hundred seventy-nine".