131269583 has 4 divisors (see below), whose sum is σ = 134322408. Its totient is φ = 128216760.

The previous prime is 131269559. The next prime is 131269591. The reversal of 131269583 is 385962131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131269583 - 2⁶ = 131269519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131265583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1526348 + ... + 1526433.

It is an arithmetic number, because the mean of its divisors is an integer number (33580602).

Almost surely, 2^131269583 is an apocalyptic number.

131269583 is a deficient number, since it is larger than the sum of its proper divisors (3052825).

131269583 is an equidigital number, since it uses as much as digits as its factorization.

131269583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052824.

The product of its digits is 38880, while the sum is 38.

The square root of 131269583 is about 11457.2938777008. The cubic root of 131269583 is about 508.2234521852.

The spelling of 131269583 in words is "one hundred thirty-one million, two hundred sixty-nine thousand, five hundred eighty-three".