133147926 has 12 divisors (see below), whose sum is σ = 288487212. Its totient is φ = 44382636.

The previous prime is 133147919. The next prime is 133147981. The reversal of 133147926 is 629741331.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3698536 + ... + 3698571.

It is an arithmetic number, because the mean of its divisors is an integer number (24040601).

Almost surely, 2^133147926 is an apocalyptic number.

133147926 is an abundant number, since it is smaller than the sum of its proper divisors (155339286).

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

133147926 is a wasteful number, since it uses less digits than its factorization.

133147926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7397115 (or 7397112 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 133147926 is about 11538.9742178410. The cubic root of 133147926 is about 510.6360461029.

The spelling of 133147926 in words is "one hundred thirty-three million, one hundred forty-seven thousand, nine hundred twenty-six".