131307469 has 8 divisors (see below), whose sum is σ = 133079040. Its totient is φ = 129546816.

The previous prime is 131307443. The next prime is 131307479. The reversal of 131307469 is 964703131.

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

It is not a de Polignac number, because 131307469 - 2⁹ = 131306957 is a prime.

It is a super-2 number, since 2×131307469² = 34483302830371922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131307409) 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, 23092 + ... + 28210.

It is an arithmetic number, because the mean of its divisors is an integer number (16634880).

Almost surely, 2^131307469 is an apocalyptic number.

It is an amenable number.

131307469 is a deficient number, since it is larger than the sum of its proper divisors (1771571).

131307469 is a wasteful number, since it uses less digits than its factorization.

131307469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5459.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 131307469 is about 11458.9471156821. The cubic root of 131307469 is about 508.2723406411.

The spelling of 131307469 in words is "one hundred thirty-one million, three hundred seven thousand, four hundred sixty-nine".