132102442 has 4 divisors (see below), whose sum is σ = 198153666. Its totient is φ = 66051220.

The previous prime is 132102437. The next prime is 132102449. The reversal of 132102442 is 244201231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 127035441 + 5067001 = 11271^2 + 2251^2 .

It is not an unprimeable number, because it can be changed into a prime (132102449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33025609 + ... + 33025612.

Almost surely, 2^132102442 is an apocalyptic number.

132102442 is a deficient number, since it is larger than the sum of its proper divisors (66051224).

132102442 is an equidigital number, since it uses as much as digits as its factorization.

132102442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66051223.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 132102442 is about 11493.5826442411. The cubic root of 132102442 is about 509.2960196061.

Adding to 132102442 its reverse (244201231), we get a palindrome (376303673).

The spelling of 132102442 in words is "one hundred thirty-two million, one hundred two thousand, four hundred forty-two".