132573769 has 4 divisors (see below), whose sum is σ = 140372244. Its totient is φ = 124775296.

The previous prime is 132573733. The next prime is 132573799. The reversal of 132573769 is 967375231.

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: 967375231 = 18583 ⋅52057.

It can be written as a sum of positive squares in 2 ways, for example, as 67158025 + 65415744 = 8195^2 + 8088^2 .

It is a cyclic number.

It is not a de Polignac number, because 132573769 - 2⁷ = 132573641 is a prime.

It is a super-2 number, since 2×132573769² = 35151608453730722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132573709) 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, 3899212 + ... + 3899245.

It is an arithmetic number, because the mean of its divisors is an integer number (35093061).

Almost surely, 2^132573769 is an apocalyptic number.

It is an amenable number.

132573769 is a deficient number, since it is larger than the sum of its proper divisors (7798475).

132573769 is an equidigital number, since it uses as much as digits as its factorization.

132573769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7798474.

The product of its digits is 238140, while the sum is 43.

The square root of 132573769 is about 11514.0683079440. The cubic root of 132573769 is about 509.9010047506.

The spelling of 132573769 in words is "one hundred thirty-two million, five hundred seventy-three thousand, seven hundred sixty-nine".