131407507 has 8 divisors (see below), whose sum is σ = 163832832. Its totient is φ = 102395400.

The previous prime is 131407459. The next prime is 131407537. The reversal of 131407507 is 705704131.

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 131407507 - 2¹¹ = 131405459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131407537) 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, 853219 + ... + 853372.

It is an arithmetic number, because the mean of its divisors is an integer number (20479104).

Almost surely, 2^131407507 is an apocalyptic number.

131407507 is a deficient number, since it is larger than the sum of its proper divisors (32425325).

131407507 is a wasteful number, since it uses less digits than its factorization.

131407507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706609.

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

The square root of 131407507 is about 11463.3113453312. The cubic root of 131407507 is about 508.4013854487.

The spelling of 131407507 in words is "one hundred thirty-one million, four hundred seven thousand, five hundred seven".