131060269 has 4 divisors (see below), whose sum is σ = 133208860. Its totient is φ = 128911680.

The previous prime is 131060263. The next prime is 131060287. The reversal of 131060269 is 962060131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 962060131 = 2543 ⋅378317.

It can be written as a sum of positive squares in 2 ways, for example, as 73102500 + 57957769 = 8550^2 + 7613^2 .

It is a cyclic number.

It is not a de Polignac number, because 131060269 - 2³ = 131060261 is a prime.

It is a super-2 number, since 2×131060269² = 34353588220704722, 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 (131060261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074204 + ... + 1074325.

It is an arithmetic number, because the mean of its divisors is an integer number (33302215).

Almost surely, 2^131060269 is an apocalyptic number.

It is an amenable number.

131060269 is a deficient number, since it is larger than the sum of its proper divisors (2148591).

131060269 is an equidigital number, since it uses as much as digits as its factorization.

131060269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148590.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 131060269 is about 11448.1557029943. The cubic root of 131060269 is about 507.9531817166.

The spelling of 131060269 in words is "one hundred thirty-one million, sixty thousand, two hundred sixty-nine".