131293269 has 12 divisors (see below), whose sum is σ = 197891616. Its totient is φ = 83723112.

The previous prime is 131293259. The next prime is 131293303. The reversal of 131293269 is 962392131.

It is a happy number.

It is not a de Polignac number, because 131293269 - 2¹² = 131289173 is a prime.

It is a super-2 number, since 2×131293269² = 34475844969412722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131293259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316927 + ... + 317340.

It is an arithmetic number, because the mean of its divisors is an integer number (16490968).

Almost surely, 2^131293269 is an apocalyptic number.

It is an amenable number.

131293269 is a deficient number, since it is larger than the sum of its proper divisors (66598347).

131293269 is a wasteful number, since it uses less digits than its factorization.

131293269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634296 (or 634293 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 131293269 is about 11458.3274957561. The cubic root of 131293269 is about 508.2540179275.

The spelling of 131293269 in words is "one hundred thirty-one million, two hundred ninety-three thousand, two hundred sixty-nine".