133319153 has 4 divisors (see below), whose sum is σ = 145439088. Its totient is φ = 121199220.

The previous prime is 133319149. The next prime is 133319161. The reversal of 133319153 is 351913331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133319153 - 2² = 133319149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133319113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6059951 + ... + 6059972.

It is an arithmetic number, because the mean of its divisors is an integer number (36359772).

Almost surely, 2^133319153 is an apocalyptic number.

It is an amenable number.

133319153 is a deficient number, since it is larger than the sum of its proper divisors (12119935).

133319153 is a wasteful number, since it uses less digits than its factorization.

133319153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12119934.

The product of its digits is 3645, while the sum is 29.

The square root of 133319153 is about 11546.3913410208. The cubic root of 133319153 is about 510.8548434150.

The spelling of 133319153 in words is "one hundred thirty-three million, three hundred nineteen thousand, one hundred fifty-three".