132455220 has 24 divisors (see below), whose sum is σ = 370874784. Its totient is φ = 35321376.

The previous prime is 132455207. The next prime is 132455221. The reversal of 132455220 is 22554231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132455221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103734 + ... + 1103853.

It is an arithmetic number, because the mean of its divisors is an integer number (15453116).

Almost surely, 2^132455220 is an apocalyptic number.

132455220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132455220 is an abundant number, since it is smaller than the sum of its proper divisors (238419564).

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

132455220 is a wasteful number, since it uses less digits than its factorization.

132455220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207599 (or 2207597 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 132455220 is about 11508.9191499463. The cubic root of 132455220 is about 509.7489729636.

The spelling of 132455220 in words is "one hundred thirty-two million, four hundred fifty-five thousand, two hundred twenty".