133112330 has 16 divisors (see below), whose sum is σ = 258033384. Its totient is φ = 49149120.

The previous prime is 133112311. The next prime is 133112341. The reversal of 133112330 is 33211331.

It can be written as a sum of positive squares in 4 ways, for example, as 33651601 + 99460729 = 5801^2 + 9973^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133112299 and 133112308.

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, 511841 + ... + 512100.

Almost surely, 2^133112330 is an apocalyptic number.

133112330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133112330 is a deficient number, since it is larger than the sum of its proper divisors (124921054).

133112330 is a wasteful number, since it uses less digits than its factorization.

133112330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023961.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 133112330 is about 11537.4316899386. The cubic root of 133112330 is about 510.5905372685.

Adding to 133112330 its reverse (33211331), we get a palindrome (166323661).

Subtracting from 133112330 its reverse (33211331), we obtain a palindrome (99900999).

The spelling of 133112330 in words is "one hundred thirty-three million, one hundred twelve thousand, three hundred thirty".