132401236 has 24 divisors (see below), whose sum is σ = 267636096. Its totient is φ = 56641920.

The previous prime is 132401221. The next prime is 132401239. The reversal of 132401236 is 632104231.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132401239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87756 + ... + 89251.

It is an arithmetic number, because the mean of its divisors is an integer number (11151504).

Almost surely, 2^132401236 is an apocalyptic number.

It is an amenable number.

132401236 is an abundant number, since it is smaller than the sum of its proper divisors (135234860).

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

132401236 is a wasteful number, since it uses less digits than its factorization.

132401236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177039 (or 177037 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 132401236 is about 11506.5735994691. The cubic root of 132401236 is about 509.6797117499.

Adding to 132401236 its reverse (632104231), we get a palindrome (764505467).

The spelling of 132401236 in words is "one hundred thirty-two million, four hundred one thousand, two hundred thirty-six".