132161420 has 12 divisors (see below), whose sum is σ = 277539024. Its totient is φ = 52864560.

The previous prime is 132161413. The next prime is 132161423. The reversal of 132161420 is 24161231.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 6608071 = 132161420 / (1 + 3 + 2 + 1 + 6 + 1 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 132161392 and 132161401.

It is not an unprimeable number, because it can be changed into a prime (132161423) 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, 3304016 + ... + 3304055.

It is an arithmetic number, because the mean of its divisors is an integer number (23128252).

Almost surely, 2^132161420 is an apocalyptic number.

132161420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132161420 is an abundant number, since it is smaller than the sum of its proper divisors (145377604).

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

132161420 is a wasteful number, since it uses less digits than its factorization.

132161420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6608080 (or 6608078 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 132161420 is about 11496.1480505428. The cubic root of 132161420 is about 509.3718011768.

The spelling of 132161420 in words is "one hundred thirty-two million, one hundred sixty-one thousand, four hundred twenty".