133694425 has 6 divisors (see below), whose sum is σ = 165781118. Its totient is φ = 106955520.

The previous prime is 133694419. The next prime is 133694459. The reversal of 133694425 is 524496331.

It can be written as a sum of positive squares in 3 ways, for example, as 43520409 + 90174016 = 6597^2 + 9496^2 .

It is not a de Polignac number, because 133694425 - 2²⁵ = 100139993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2673864 + ... + 2673913.

Almost surely, 2^133694425 is an apocalyptic number.

It is an amenable number.

133694425 is a deficient number, since it is larger than the sum of its proper divisors (32086693).

133694425 is an equidigital number, since it uses as much as digits as its factorization.

133694425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5347787 (or 5347782 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 133694425 is about 11562.6305398036. The cubic root of 133694425 is about 511.3337191506. Note that the first 3 decimals are identical.

The spelling of 133694425 in words is "one hundred thirty-three million, six hundred ninety-four thousand, four hundred twenty-five".