131013859 has 4 divisors (see below), whose sum is σ = 131745960. Its totient is φ = 130281760.

The previous prime is 131013853. The next prime is 131013893. The reversal of 131013859 is 958310131.

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-131013859 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 131013859.

It is not an unprimeable number, because it can be changed into a prime (131013853) 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, 365782 + ... + 366139.

It is an arithmetic number, because the mean of its divisors is an integer number (32936490).

Almost surely, 2^131013859 is an apocalyptic number.

131013859 is a deficient number, since it is larger than the sum of its proper divisors (732101).

131013859 is an equidigital number, since it uses as much as digits as its factorization.

131013859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732100.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 131013859 is about 11446.1285594737. The cubic root of 131013859 is about 507.8932172171.

The spelling of 131013859 in words is "one hundred thirty-one million, thirteen thousand, eight hundred fifty-nine".