133699419 has 12 divisors (see below), whose sum is σ = 220710256. Its totient is φ = 76399632.

The previous prime is 133699411. The next prime is 133699429. The reversal of 133699419 is 914996331.

It is not a de Polignac number, because 133699419 - 2³ = 133699411 is a prime.

It is a super-2 number, since 2×133699419² = 35751069281875122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133699411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1061044 + ... + 1061169.

Almost surely, 2^133699419 is an apocalyptic number.

133699419 is a deficient number, since it is larger than the sum of its proper divisors (87010837).

133699419 is a wasteful number, since it uses less digits than its factorization.

133699419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122226 (or 2122223 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 133699419 is about 11562.8464921057. The cubic root of 133699419 is about 511.3400858304.

The spelling of 133699419 in words is "one hundred thirty-three million, six hundred ninety-nine thousand, four hundred nineteen".