132402241 has 4 divisors (see below), whose sum is σ = 139370800. Its totient is φ = 125433684.

The previous prime is 132402233. The next prime is 132402253. The reversal of 132402241 is 142204231.

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.

It is a cyclic number.

It is not a de Polignac number, because 132402241 - 2³ = 132402233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 6968539 = 132402241 / (1 + 3 + 2 + 4 + 0 + 2 + 2 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132402041) 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, 3484251 + ... + 3484288.

It is an arithmetic number, because the mean of its divisors is an integer number (34842700).

Almost surely, 2^132402241 is an apocalyptic number.

It is an amenable number.

132402241 is a deficient number, since it is larger than the sum of its proper divisors (6968559).

132402241 is an equidigital number, since it uses as much as digits as its factorization.

132402241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6968558.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 132402241 is about 11506.6172700755. The cubic root of 132402241 is about 509.6810013321.

Adding to 132402241 its reverse (142204231), we get a palindrome (274606472).

The spelling of 132402241 in words is "one hundred thirty-two million, four hundred two thousand, two hundred forty-one".