133103052 has 36 divisors (see below), whose sum is σ = 339795456. Its totient is φ = 43927200.

The previous prime is 133103021. The next prime is 133103053. The reversal of 133103052 is 250301331.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (133103053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14668 + ... + 21939.

Almost surely, 2^133103052 is an apocalyptic number.

133103052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133103052 is an abundant number, since it is smaller than the sum of its proper divisors (206692404).

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

133103052 is a wasteful number, since it uses less digits than its factorization.

133103052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36718 (or 36713 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 133103052 is about 11537.0296003781. The cubic root of 133103052 is about 510.5786741825.

Adding to 133103052 its reverse (250301331), we get a palindrome (383404383).

The spelling of 133103052 in words is "one hundred thirty-three million, one hundred three thousand, fifty-two".