131495907 has 8 divisors (see below), whose sum is σ = 175505680. Its totient is φ = 87575040.

The previous prime is 131495887. The next prime is 131495909. The reversal of 131495907 is 709594131.

It is a happy number.

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

It is not a de Polignac number, because 131495907 - 2⁷ = 131495779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131495909) 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, 18694 + ... + 24747.

It is an arithmetic number, because the mean of its divisors is an integer number (21938210).

Almost surely, 2^131495907 is an apocalyptic number.

131495907 is a deficient number, since it is larger than the sum of its proper divisors (44009773).

131495907 is a wasteful number, since it uses less digits than its factorization.

131495907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44453.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 131495907 is about 11467.1664765102. The cubic root of 131495907 is about 508.5153632301.

The spelling of 131495907 in words is "one hundred thirty-one million, four hundred ninety-five thousand, nine hundred seven".