132561396 has 36 divisors (see below), whose sum is σ = 365549184. Its totient is φ = 40170000.

The previous prime is 132561391. The next prime is 132561409. The reversal of 132561396 is 693165231.

132561396 is a `hidden beast` number, since 1 + 3 + 2 + 561 + 3 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 132561396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132561391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166980 + ... + 167771.

It is an arithmetic number, because the mean of its divisors is an integer number (10154144).

Almost surely, 2^132561396 is an apocalyptic number.

It is an amenable number.

132561396 is an abundant number, since it is smaller than the sum of its proper divisors (232987788).

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

132561396 is a wasteful number, since it uses less digits than its factorization.

132561396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334772 (or 334767 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 132561396 is about 11513.5309961801. The cubic root of 132561396 is about 509.8851413777.

The spelling of 132561396 in words is "one hundred thirty-two million, five hundred sixty-one thousand, three hundred ninety-six".