133409434 has 8 divisors (see below), whose sum is σ = 200258100. Its totient is φ = 66656736.

The previous prime is 133409429. The next prime is 133409473. The reversal of 133409434 is 434904331.

It can be written as a sum of positive squares in 2 ways, for example, as 103978809 + 29430625 = 10197^2 + 5425^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 133409396 and 133409405.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20409 + ... + 26140.

Almost surely, 2^133409434 is an apocalyptic number.

133409434 is a deficient number, since it is larger than the sum of its proper divisors (66848666).

133409434 is a wasteful number, since it uses less digits than its factorization.

133409434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47984.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 133409434 is about 11550.3001692597. The cubic root of 133409434 is about 510.9701308746.

The spelling of 133409434 in words is "one hundred thirty-three million, four hundred nine thousand, four hundred thirty-four".