133033130 has 16 divisors (see below), whose sum is σ = 245932200. Its totient is φ = 51774912.

The previous prime is 133033097. The next prime is 133033181. The reversal of 133033130 is 31330331.

It can be written as a sum of positive squares in 4 ways, for example, as 132963961 + 69169 = 11531^2 + 263^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133033099 and 133033108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179405 + ... + 180144.

Almost surely, 2^133033130 is an apocalyptic number.

133033130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133033130 is a deficient number, since it is larger than the sum of its proper divisors (112899070).

133033130 is a wasteful number, since it uses less digits than its factorization.

133033130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359593.

The product of its (nonzero) digits is 243, while the sum is 17.

The square root of 133033130 is about 11533.9988728975. The cubic root of 133033130 is about 510.4892524029.

Adding to 133033130 its reverse (31330331), we get a palindrome (164363461).

The spelling of 133033130 in words is "one hundred thirty-three million, thirty-three thousand, one hundred thirty".