133553152 has 22 divisors (see below), whose sum is σ = 266977928. Its totient is φ = 66776064.

The previous prime is 133553131. The next prime is 133553159. The reversal of 133553152 is 251355331.

It is a self number, because there is not a number n which added to its sum of digits gives 133553152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133553159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64188 + ... + 66235.

Almost surely, 2^133553152 is an apocalyptic number.

It is an amenable number.

133553152 is a deficient number, since it is larger than the sum of its proper divisors (133424776).

133553152 is an equidigital number, since it uses as much as digits as its factorization.

133553152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130443 (or 130425 counting only the distinct ones).

The product of its digits is 6750, while the sum is 28.

The square root of 133553152 is about 11556.5198913860. The cubic root of 133553152 is about 511.1535493152.

The spelling of 133553152 in words is "one hundred thirty-three million, five hundred fifty-three thousand, one hundred fifty-two".