132555231 has 16 divisors (see below), whose sum is σ = 196600320. Its totient is φ = 88270200.

The previous prime is 132555217. The next prime is 132555277.

It is a happy number.

132555231 is a `hidden beast` number, since 132 + 5 + 5 + 523 + 1 = 666.

132555231 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 132555231 - 2²¹ = 130458079 is a prime.

It is a super-2 number, since 2×132555231² = 35141778530926722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 132555195 and 132555204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132555211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27556 + ... + 32006.

It is an arithmetic number, because the mean of its divisors is an integer number (12287520).

Almost surely, 2^132555231 is an apocalyptic number.

132555231 is a deficient number, since it is larger than the sum of its proper divisors (64045089).

132555231 is a wasteful number, since it uses less digits than its factorization.

132555231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563 (or 5557 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 132555231 is about 11513.2632646005. The cubic root of 132555231 is about 509.8772368878.

The spelling of 132555231 in words is "one hundred thirty-two million, five hundred fifty-five thousand, two hundred thirty-one".