133277232 has 40 divisors (see below), whose sum is σ = 375600960. Its totient is φ = 40386880.

The previous prime is 133277213. The next prime is 133277237. The reversal of 133277232 is 232772331.

133277232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 133277232.

It is not an unprimeable number, because it can be changed into a prime (133277237) 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, 125682 + ... + 126737.

It is an arithmetic number, because the mean of its divisors is an integer number (9390024).

Almost surely, 2^133277232 is an apocalyptic number.

133277232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133277232 is an abundant number, since it is smaller than the sum of its proper divisors (242323728).

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

133277232 is a wasteful number, since it uses less digits than its factorization.

133277232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252441 (or 252435 counting only the distinct ones).

The product of its digits is 10584, while the sum is 30.

The square root of 133277232 is about 11544.5758692123. The cubic root of 133277232 is about 510.8012932425.

It can be divided in two parts, 1 and 33277232, that added together give a palindrome (33277233).

The spelling of 133277232 in words is "one hundred thirty-three million, two hundred seventy-seven thousand, two hundred thirty-two".