133950133 has 12 divisors (see below), whose sum is σ = 144059148. Its totient is φ = 124488000.

The previous prime is 133950127. The next prime is 133950149. The reversal of 133950133 is 331059331.

It can be written as a sum of positive squares in 2 ways, for example, as 77053284 + 56896849 = 8778^2 + 7543^2 .

It is a de Polignac number, because none of the positive numbers 2^k-133950133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133957133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15633 + ... + 22633.

It is an arithmetic number, because the mean of its divisors is an integer number (12004929).

Almost surely, 2^133950133 is an apocalyptic number.

It is an amenable number.

133950133 is a deficient number, since it is larger than the sum of its proper divisors (10109015).

133950133 is an equidigital number, since it uses as much as digits as its factorization.

133950133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7092 (or 7073 counting only the distinct ones).

The product of its (nonzero) digits is 3645, while the sum is 28.

The square root of 133950133 is about 11573.6827760225. The cubic root of 133950133 is about 511.6595089781.

The spelling of 133950133 in words is "one hundred thirty-three million, nine hundred fifty thousand, one hundred thirty-three".