132569 has 4 divisors (see below), whose sum is σ = 135696. Its totient is φ = 129444.

The previous prime is 132547. The next prime is 132589. The reversal of 132569 is 965231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 965231 = 929 ⋅1039.

It is a cyclic number.

It is not a de Polignac number, because 132569 - 2⁸ = 132313 is a prime.

It is a super-2 number, since 2×132569² = 35149079522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132529) 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, 1499 + ... + 1584.

It is an arithmetic number, because the mean of its divisors is an integer number (33924).

2¹³²⁵⁶⁹ is an apocalyptic number.

It is an amenable number.

132569 is a deficient number, since it is larger than the sum of its proper divisors (3127).

132569 is an equidigital number, since it uses as much as digits as its factorization.

132569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126.

The product of its digits is 1620, while the sum is 26.

The square root of 132569 is about 364.1002609172. The cubic root of 132569 is about 50.9894890552.

The spelling of 132569 in words is "one hundred thirty-two thousand, five hundred sixty-nine".