133379169 has 16 divisors (see below), whose sum is σ = 221721600. Its totient is φ = 69287760.

The previous prime is 133379159. The next prime is 133379173. The reversal of 133379169 is 961973331.

It is not a de Polignac number, because 133379169 - 2⁷ = 133379041 is a prime.

It is a super-2 number, since 2×133379169² = 35580005446261122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133379169.

It is not an unprimeable number, because it can be changed into a prime (133379119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288469 + ... + 288930.

It is an arithmetic number, because the mean of its divisors is an integer number (13857600).

Almost surely, 2^133379169 is an apocalyptic number.

It is an amenable number.

133379169 is a deficient number, since it is larger than the sum of its proper divisors (88342431).

133379169 is a wasteful number, since it uses less digits than its factorization.

133379169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577420.

The product of its digits is 91854, while the sum is 42.

The square root of 133379169 is about 11548.9899558360. The cubic root of 133379169 is about 510.9314887284.

The spelling of 133379169 in words is "one hundred thirty-three million, three hundred seventy-nine thousand, one hundred sixty-nine".