131752307 has 8 divisors (see below), whose sum is σ = 137829600. Its totient is φ = 125777344.

The previous prime is 131752297. The next prime is 131752337. The reversal of 131752307 is 703257131.

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 131752307 - 2¹⁶ = 131686771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131752307.

It is not an unprimeable number, because it can be changed into a prime (131752337) 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, 22943 + ... + 28104.

It is an arithmetic number, because the mean of its divisors is an integer number (17228700).

Almost surely, 2^131752307 is an apocalyptic number.

131752307 is a deficient number, since it is larger than the sum of its proper divisors (6077293).

131752307 is an equidigital number, since it uses as much as digits as its factorization.

131752307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51165.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 131752307 is about 11478.3407773075. The cubic root of 131752307 is about 508.8456616915.

The spelling of 131752307 in words is "one hundred thirty-one million, seven hundred fifty-two thousand, three hundred seven".