132402042 has 12 divisors (see below), whose sum is σ = 286871130. Its totient is φ = 44134008.

The previous prime is 132402041. The next prime is 132402073. The reversal of 132402042 is 240204231.

It can be written as a sum of positive squares in only one way, i.e., 130439241 + 1962801 = 11421^2 + 1401^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7355669 = 132402042 / (1 + 3 + 2 + 4 + 0 + 2 + 0 + 4 + 2).

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 5 ways as a sum of consecutive naturals, for example, 3677817 + ... + 3677852.

Almost surely, 2^132402042 is an apocalyptic number.

132402042 is an abundant number, since it is smaller than the sum of its proper divisors (154469088).

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

132402042 is a wasteful number, since it uses less digits than its factorization.

132402042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7355677 (or 7355674 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 132402042 is about 11506.6086228741. The cubic root of 132402042 is about 509.6807459825.

Adding to 132402042 its reverse (240204231), we get a palindrome (372606273).

The spelling of 132402042 in words is "one hundred thirty-two million, four hundred two thousand, forty-two".