131935867 has 8 divisors (see below), whose sum is σ = 158720000. Its totient is φ = 107135784.

The previous prime is 131935813. The next prime is 131935871. The reversal of 131935867 is 768539131.

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

It is a de Polignac number, because none of the positive numbers 2^k-131935867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131935807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495867 + ... + 496132.

It is an arithmetic number, because the mean of its divisors is an integer number (19840000).

Almost surely, 2^131935867 is an apocalyptic number.

131935867 is a deficient number, since it is larger than the sum of its proper divisors (26784133).

131935867 is an equidigital number, since it uses as much as digits as its factorization.

131935867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992025.

The product of its digits is 136080, while the sum is 43.

The square root of 131935867 is about 11486.3339234065. Note that the first 3 decimals coincide. The cubic root of 131935867 is about 509.0818634148.

The spelling of 131935867 in words is "one hundred thirty-one million, nine hundred thirty-five thousand, eight hundred sixty-seven".