131736523 has 2 divisors, whose sum is σ = 131736524. Its totient is φ = 131736522.

The previous prime is 131736509. The next prime is 131736551. The reversal of 131736523 is 325637131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131736523 - 2²¹ = 129639371 is a prime.

It is a super-2 number, since 2×131736523² = 34709022984259058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131736503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65868261 + 65868262.

It is an arithmetic number, because the mean of its divisors is an integer number (65868262).

Almost surely, 2^131736523 is an apocalyptic number.

131736523 is a deficient number, since it is larger than the sum of its proper divisors (1).

131736523 is an equidigital number, since it uses as much as digits as its factorization.

131736523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 31.

The square root of 131736523 is about 11477.6532008943. The cubic root of 131736523 is about 508.8253408818.

The spelling of 131736523 in words is "one hundred thirty-one million, seven hundred thirty-six thousand, five hundred twenty-three".