132887780 has 12 divisors (see below), whose sum is σ = 279064380. Its totient is φ = 53155104.

The previous prime is 132887771. The next prime is 132887837. The reversal of 132887780 is 87788231.

It can be written as a sum of positive squares in 2 ways, for example, as 19166884 + 113720896 = 4378^2 + 10664^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3322175 + ... + 3322214.

It is an arithmetic number, because the mean of its divisors is an integer number (23255365).

Almost surely, 2^132887780 is an apocalyptic number.

132887780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132887780 is an abundant number, since it is smaller than the sum of its proper divisors (146176600).

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

132887780 is a wasteful number, since it uses less digits than its factorization.

132887780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6644398 (or 6644396 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 44.

The square root of 132887780 is about 11527.6962139015. The cubic root of 132887780 is about 510.3032670212.

The spelling of 132887780 in words is "one hundred thirty-two million, eight hundred eighty-seven thousand, seven hundred eighty".