132515442 has 96 divisors (see below), whose sum is σ = 319690800. Its totient is φ = 39481344.

The previous prime is 132515431. The next prime is 132515447. The reversal of 132515442 is 244515231.

It can be written as a sum of positive squares in 8 ways, for example, as 104223681 + 28291761 = 10209^2 + 5319^2 .

Its product of digits (4800) is a multiple of the sum of its prime factors (300).

It is not an unprimeable number, because it can be changed into a prime (132515447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 967198 + ... + 967334.

Almost surely, 2^132515442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132515442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159845400).

132515442 is an abundant number, since it is smaller than the sum of its proper divisors (187175358).

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

132515442 is a wasteful number, since it uses less digits than its factorization.

132515442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 297 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 132515442 is about 11511.5351712967. The cubic root of 132515442 is about 509.8262152986.

The spelling of 132515442 in words is "one hundred thirty-two million, five hundred fifteen thousand, four hundred forty-two".