132401904 has 20 divisors (see below), whose sum is σ = 342038376. Its totient is φ = 44133952.

The previous prime is 132401891. The next prime is 132401909. The reversal of 132401904 is 409104231.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132401909) 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, 1379139 + ... + 1379234.

Almost surely, 2^132401904 is an apocalyptic number.

It is an amenable number.

132401904 is an abundant number, since it is smaller than the sum of its proper divisors (209636472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132401904 is a wasteful number, since it uses less digits than its factorization.

132401904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758384 (or 2758378 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 132401904 is about 11506.6026263185. The cubic root of 132401904 is about 509.6805689058.

The spelling of 132401904 in words is "one hundred thirty-two million, four hundred one thousand, nine hundred four".