132553643 has 4 divisors (see below), whose sum is σ = 132594000. Its totient is φ = 132513288.

The previous prime is 132553639. The next prime is 132553651. The reversal of 132553643 is 346355231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346355231 = 677 ⋅511603.

It is a cyclic number.

It is not a de Polignac number, because 132553643 - 2² = 132553639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132553243) 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, 14768 + ... + 21981.

It is an arithmetic number, because the mean of its divisors is an integer number (33148500).

Almost surely, 2^132553643 is an apocalyptic number.

132553643 is a deficient number, since it is larger than the sum of its proper divisors (40357).

132553643 is an equidigital number, since it uses as much as digits as its factorization.

132553643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40356.

The product of its digits is 32400, while the sum is 32.

The square root of 132553643 is about 11513.1943004537. The cubic root of 132553643 is about 509.8752007849.

The spelling of 132553643 in words is "one hundred thirty-two million, five hundred fifty-three thousand, six hundred forty-three".