132400442 has 16 divisors (see below), whose sum is σ = 208073472. Its totient is φ = 63106560.

The previous prime is 132400427. The next prime is 132400451. The reversal of 132400442 is 244004231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11783 + ... + 20090.

It is an arithmetic number, because the mean of its divisors is an integer number (13004592).

Almost surely, 2^132400442 is an apocalyptic number.

132400442 is a deficient number, since it is larger than the sum of its proper divisors (75673030).

132400442 is a wasteful number, since it uses less digits than its factorization.

132400442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31973.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 132400442 is about 11506.5390974002. The cubic root of 132400442 is about 509.6786929113.

Adding to 132400442 its reverse (244004231), we get a palindrome (376404673).

The spelling of 132400442 in words is "one hundred thirty-two million, four hundred thousand, four hundred forty-two".