131599699 has 8 divisors (see below), whose sum is σ = 164072448. Its totient is φ = 102545160.

The previous prime is 131599691. The next prime is 131599711. The reversal of 131599699 is 996995131.

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 131599699 - 2³ = 131599691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131599691) 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, 854467 + ... + 854620.

It is an arithmetic number, because the mean of its divisors is an integer number (20509056).

Almost surely, 2^131599699 is an apocalyptic number.

131599699 is a deficient number, since it is larger than the sum of its proper divisors (32472749).

131599699 is a wasteful number, since it uses less digits than its factorization.

131599699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709105.

The product of its digits is 590490, while the sum is 52.

The square root of 131599699 is about 11471.6912005162. The cubic root of 131599699 is about 508.6491213756.

The spelling of 131599699 in words is "one hundred thirty-one million, five hundred ninety-nine thousand, six hundred ninety-nine".