132857550 has 192 divisors, whose sum is σ = 443543040. Its totient is φ = 28546560.

The previous prime is 132857503. The next prime is 132857561. The reversal of 132857550 is 55758231.

132857550 is a `hidden beast` number, since 1 + 32 + 8 + 575 + 50 = 666.

It is a super-2 number, since 2×132857550² = 35302257184005000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 160237 + ... + 161063.

It is an arithmetic number, because the mean of its divisors is an integer number (2310120).

Almost surely, 2^132857550 is an apocalyptic number.

132857550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 132857550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221771520).

132857550 is an abundant number, since it is smaller than the sum of its proper divisors (310685490).

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

132857550 is a wasteful number, since it uses less digits than its factorization.

132857550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 132857550 is about 11526.3849493239. The cubic root of 132857550 is about 510.2645686105.

The spelling of 132857550 in words is "one hundred thirty-two million, eight hundred fifty-seven thousand, five hundred fifty".