131073269 has 4 divisors (see below), whose sum is σ = 134270220. Its totient is φ = 127876320.

The previous prime is 131073253. The next prime is 131073289. The reversal of 131073269 is 962370131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 962370131 = 53 ⋅18157927.

It can be written as a sum of positive squares in 2 ways, for example, as 61434244 + 69639025 = 7838^2 + 8345^2 .

It is a cyclic number.

It is not a de Polignac number, because 131073269 - 2⁴ = 131073253 is a prime.

It is a super-2 number, since 2×131073269² = 34360403692692722, 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 (131073289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1598414 + ... + 1598495.

It is an arithmetic number, because the mean of its divisors is an integer number (33567555).

Almost surely, 2^131073269 is an apocalyptic number.

It is an amenable number.

131073269 is a deficient number, since it is larger than the sum of its proper divisors (3196951).

131073269 is an equidigital number, since it uses as much as digits as its factorization.

131073269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196950.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 131073269 is about 11448.7234659590. The cubic root of 131073269 is about 507.9699759572.

The spelling of 131073269 in words is "one hundred thirty-one million, seventy-three thousand, two hundred sixty-nine".