132601780 has 12 divisors (see below), whose sum is σ = 278463780. Its totient is φ = 53040704.

The previous prime is 132601769. The next prime is 132601793. The reversal of 132601780 is 87106231.

It can be written as a sum of positive squares in 2 ways, for example, as 49646116 + 82955664 = 7046^2 + 9108^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3315025 + ... + 3315064.

It is an arithmetic number, because the mean of its divisors is an integer number (23205315).

Almost surely, 2^132601780 is an apocalyptic number.

132601780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132601780 is an abundant number, since it is smaller than the sum of its proper divisors (145862000).

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

132601780 is a wasteful number, since it uses less digits than its factorization.

132601780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6630098 (or 6630096 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 132601780 is about 11515.2846252275. The cubic root of 132601780 is about 509.9369138935.

The spelling of 132601780 in words is "one hundred thirty-two million, six hundred one thousand, seven hundred eighty".