133356612 has 24 divisors (see below), whose sum is σ = 311605056. Its totient is φ = 44389408.

The previous prime is 133356593. The next prime is 133356617. The reversal of 133356612 is 216653331.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 133356612.

It is not an unprimeable number, because it can be changed into a prime (133356617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438 + ... + 16394.

It is an arithmetic number, because the mean of its divisors is an integer number (12983544).

Almost surely, 2^133356612 is an apocalyptic number.

133356612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133356612 is an abundant number, since it is smaller than the sum of its proper divisors (178248444).

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

133356612 is a wasteful number, since it uses less digits than its factorization.

133356612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15707 (or 15705 counting only the distinct ones).

The product of its digits is 9720, while the sum is 30.

The square root of 133356612 is about 11548.0133356348. The cubic root of 133356612 is about 510.9026843020.

The spelling of 133356612 in words is "one hundred thirty-three million, three hundred fifty-six thousand, six hundred twelve".