131207757 has 8 divisors (see below), whose sum is σ = 175401984. Its totient is φ = 87242688.

The previous prime is 131207743. The next prime is 131207759. The reversal of 131207757 is 757702131.

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

It is not a de Polignac number, because 131207757 - 2⁶ = 131207693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131207759) 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 7 ways as a sum of consecutive naturals, for example, 55948 + ... + 58245.

It is an arithmetic number, because the mean of its divisors is an integer number (21925248).

Almost surely, 2^131207757 is an apocalyptic number.

It is an amenable number.

131207757 is a deficient number, since it is larger than the sum of its proper divisors (44194227).

131207757 is a wasteful number, since it uses less digits than its factorization.

131207757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114579.

The product of its (nonzero) digits is 10290, while the sum is 33.

The square root of 131207757 is about 11454.5954533541. The cubic root of 131207757 is about 508.1436511205.

Adding to 131207757 its reverse (757702131), we get a palindrome (888909888).

The spelling of 131207757 in words is "one hundred thirty-one million, two hundred seven thousand, seven hundred fifty-seven".