133253706 has 8 divisors (see below), whose sum is σ = 266507424. Its totient is φ = 44417900.

The previous prime is 133253693. The next prime is 133253711. The reversal of 133253706 is 607352331.

133253706 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

133253706 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11104470 + ... + 11104481.

It is an arithmetic number, because the mean of its divisors is an integer number (33313428).

Almost surely, 2^133253706 is an apocalyptic number.

133253706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

133253706 is a wasteful number, since it uses less digits than its factorization.

133253706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22208956.

The product of its (nonzero) digits is 11340, while the sum is 30.

The square root of 133253706 is about 11543.5569041782. The cubic root of 133253706 is about 510.7712360497.

The spelling of 133253706 in words is "one hundred thirty-three million, two hundred fifty-three thousand, seven hundred six".