131377513 has 16 divisors (see below), whose sum is σ = 145069056. Its totient is φ = 118460160.

The previous prime is 131377501. The next prime is 131377517. The reversal of 131377513 is 315773131.

It is a cyclic number.

It is not a de Polignac number, because 131377513 - 2¹³ = 131369321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131377517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37048 + ... + 40438.

It is an arithmetic number, because the mean of its divisors is an integer number (9066816).

Almost surely, 2^131377513 is an apocalyptic number.

It is an amenable number.

131377513 is a deficient number, since it is larger than the sum of its proper divisors (13691543).

131377513 is a wasteful number, since it uses less digits than its factorization.

131377513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504.

The product of its digits is 6615, while the sum is 31.

The square root of 131377513 is about 11462.0030099455. The cubic root of 131377513 is about 508.3627013282.

The spelling of 131377513 in words is "one hundred thirty-one million, three hundred seventy-seven thousand, five hundred thirteen".