131004757 has 8 divisors (see below), whose sum is σ = 147216384. Its totient is φ = 115669488.

The previous prime is 131004751. The next prime is 131004763. The reversal of 131004757 is 757400131.

It is an interprime number because it is at equal distance from previous prime (131004751) and next prime (131004763).

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 131004757 - 2³ = 131004749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131004751) 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, 218773 + ... + 219370.

It is an arithmetic number, because the mean of its divisors is an integer number (18402048).

Almost surely, 2^131004757 is an apocalyptic number.

It is an amenable number.

131004757 is a deficient number, since it is larger than the sum of its proper divisors (16211627).

131004757 is a wasteful number, since it uses less digits than its factorization.

131004757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438179.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 131004757 is about 11445.7309508830. The cubic root of 131004757 is about 507.8814552270.

Adding to 131004757 its reverse (757400131), we get a palindrome (888404888).

The spelling of 131004757 in words is "one hundred thirty-one million, four thousand, seven hundred fifty-seven".