133106712 has 32 divisors (see below), whose sum is σ = 333391680. Its totient is φ = 44285600.

The previous prime is 133106707. The next prime is 133106713. The reversal of 133106712 is 217601331.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133106713) 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, 8587 + ... + 18437.

It is an arithmetic number, because the mean of its divisors is an integer number (10418490).

Almost surely, 2^133106712 is an apocalyptic number.

133106712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133106712 is an abundant number, since it is smaller than the sum of its proper divisors (200284968).

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

133106712 is a wasteful number, since it uses less digits than its factorization.

133106712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10423 (or 10419 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 133106712 is about 11537.1882189726. The cubic root of 133106712 is about 510.5833540171.

The spelling of 133106712 in words is "one hundred thirty-three million, one hundred six thousand, seven hundred twelve".