131075737 has 24 divisors (see below), whose sum is σ = 154132160. Its totient is φ = 110496960.

The previous prime is 131075717. The next prime is 131075743. The reversal of 131075737 is 737570131.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-131075737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131075717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207412 + ... + 208042.

Almost surely, 2^131075737 is an apocalyptic number.

It is an amenable number.

131075737 is a deficient number, since it is larger than the sum of its proper divisors (23056423).

131075737 is a wasteful number, since it uses less digits than its factorization.

131075737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 15435, while the sum is 34.

The square root of 131075737 is about 11448.8312503941. The cubic root of 131075737 is about 507.9731641537.

The spelling of 131075737 in words is "one hundred thirty-one million, seventy-five thousand, seven hundred thirty-seven".