133112630 has 32 divisors (see below), whose sum is σ = 277309440. Its totient is φ = 45059040.

The previous prime is 133112621. The next prime is 133112633. The reversal of 133112630 is 36211331.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133112633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6506 + ... + 17565.

It is an arithmetic number, because the mean of its divisors is an integer number (8665920).

Almost surely, 2^133112630 is an apocalyptic number.

133112630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133112630 is an abundant number, since it is smaller than the sum of its proper divisors (144196810).

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

133112630 is a wasteful number, since it uses less digits than its factorization.

133112630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24164.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 133112630 is about 11537.4446910917. Note that the first 3 decimals coincide. The cubic root of 133112630 is about 510.5909208469.

Adding to 133112630 its reverse (36211331), we get a palindrome (169323961).

The spelling of 133112630 in words is "one hundred thirty-three million, one hundred twelve thousand, six hundred thirty".