131140379 has 4 divisors (see below), whose sum is σ = 131163384. Its totient is φ = 131117376.

The previous prime is 131140333. The next prime is 131140393. The reversal of 131140379 is 973041131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 973041131 = 151 ⋅6443981.

It is a cyclic number.

It is not a de Polignac number, because 131140379 - 2¹⁶ = 131074843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131140309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4139 + ... + 16715.

It is an arithmetic number, because the mean of its divisors is an integer number (32790846).

Almost surely, 2^131140379 is an apocalyptic number.

131140379 is a deficient number, since it is larger than the sum of its proper divisors (23005).

131140379 is a wasteful number, since it uses less digits than its factorization.

131140379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23004.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 131140379 is about 11451.6539853420. The cubic root of 131140379 is about 508.0566553362.

The spelling of 131140379 in words is "one hundred thirty-one million, one hundred forty thousand, three hundred seventy-nine".