132157780 has 12 divisors (see below), whose sum is σ = 277531380. Its totient is φ = 52863104.

The previous prime is 132157777. The next prime is 132157789. The reversal of 132157780 is 87751231.

It can be written as a sum of positive squares in 2 ways, for example, as 95531076 + 36626704 = 9774^2 + 6052^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132157789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3303925 + ... + 3303964.

It is an arithmetic number, because the mean of its divisors is an integer number (23127615).

Almost surely, 2^132157780 is an apocalyptic number.

132157780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132157780 is an abundant number, since it is smaller than the sum of its proper divisors (145373600).

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

132157780 is a wasteful number, since it uses less digits than its factorization.

132157780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6607898 (or 6607896 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 132157780 is about 11495.9897355556. The cubic root of 132157780 is about 509.3671247481.

The spelling of 132157780 in words is "one hundred thirty-two million, one hundred fifty-seven thousand, seven hundred eighty".