131356501 has 8 divisors (see below), whose sum is σ = 139700160. Its totient is φ = 123081408.

The previous prime is 131356471. The next prime is 131356513. The reversal of 131356501 is 105653131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131356501 - 2⁵ = 131356469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131356531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13161 + ... + 20878.

It is an arithmetic number, because the mean of its divisors is an integer number (17462520).

Almost surely, 2^131356501 is an apocalyptic number.

It is an amenable number.

131356501 is a deficient number, since it is larger than the sum of its proper divisors (8343659).

131356501 is a wasteful number, since it uses less digits than its factorization.

131356501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34283.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 131356501 is about 11461.0863795715. The cubic root of 131356501 is about 508.3355980430.

The spelling of 131356501 in words is "one hundred thirty-one million, three hundred fifty-six thousand, five hundred one".