131127769 has 8 divisors (see below), whose sum is σ = 135162720. Its totient is φ = 127137696.

The previous prime is 131127743. The next prime is 131127781. The reversal of 131127769 is 967721131.

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 131127769 - 2⁷ = 131127641 is a prime.

It is a super-2 number, since 2×131127769² = 34388983605834722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131127709) 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, 5239 + ... + 17020.

It is an arithmetic number, because the mean of its divisors is an integer number (16895340).

Almost surely, 2^131127769 is an apocalyptic number.

It is an amenable number.

131127769 is a deficient number, since it is larger than the sum of its proper divisors (4034951).

131127769 is a wasteful number, since it uses less digits than its factorization.

131127769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22439.

The product of its digits is 15876, while the sum is 37.

The square root of 131127769 is about 11451.1033966164. The cubic root of 131127769 is about 508.0403704974.

The spelling of 131127769 in words is "one hundred thirty-one million, one hundred twenty-seven thousand, seven hundred sixty-nine".