132378746 has 4 divisors (see below), whose sum is σ = 198568122. Its totient is φ = 66189372.

The previous prime is 132378739. The next prime is 132378749. The reversal of 132378746 is 647873231.

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., 93876721 + 38502025 = 9689^2 + 6205^2 .

It is a super-4 number, since 4×132378746⁴ (a number of 34 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (132378749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33094685 + ... + 33094688.

Almost surely, 2^132378746 is an apocalyptic number.

132378746 is a deficient number, since it is larger than the sum of its proper divisors (66189376).

132378746 is an equidigital number, since it uses as much as digits as its factorization.

132378746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66189375.

The product of its digits is 169344, while the sum is 41.

The square root of 132378746 is about 11505.5962905014. The cubic root of 132378746 is about 509.6508516321.

The spelling of 132378746 in words is "one hundred thirty-two million, three hundred seventy-eight thousand, seven hundred forty-six".