132401238 has 16 divisors (see below), whose sum is σ = 265074096. Its totient is φ = 44088480.

The previous prime is 132401221. The next prime is 132401239. The reversal of 132401238 is 832104231.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4681 + ... + 16932.

It is an arithmetic number, because the mean of its divisors is an integer number (16567131).

Almost surely, 2^132401238 is an apocalyptic number.

132401238 is an abundant number, since it is smaller than the sum of its proper divisors (132672858).

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

132401238 is a wasteful number, since it uses less digits than its factorization.

132401238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22639.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 132401238 is about 11506.5736863760. The cubic root of 132401238 is about 509.6797143163.

Adding to 132401238 its reverse (832104231), we get a palindrome (964505469).

The spelling of 132401238 in words is "one hundred thirty-two million, four hundred one thousand, two hundred thirty-eight".