132997441 has 4 divisors (see below), whose sum is σ = 133156800. Its totient is φ = 132838084.

The previous prime is 132997439. The next prime is 132997453. The reversal of 132997441 is 144799231.

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: 144799231 = 1381 ⋅104851.

It is a cyclic number.

It is not a de Polignac number, because 132997441 - 2¹ = 132997439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132997394 and 132997403.

It is not an unprimeable number, because it can be changed into a prime (132997421) 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, 78421 + ... + 80098.

It is an arithmetic number, because the mean of its divisors is an integer number (33289200).

Almost surely, 2^132997441 is an apocalyptic number.

It is an amenable number.

132997441 is a deficient number, since it is larger than the sum of its proper divisors (159359).

132997441 is an equidigital number, since it uses as much as digits as its factorization.

132997441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159358.

The product of its digits is 54432, while the sum is 40.

The square root of 132997441 is about 11532.4516474165. The cubic root of 132997441 is about 510.4435984109.

The spelling of 132997441 in words is "one hundred thirty-two million, nine hundred ninety-seven thousand, four hundred forty-one".