133838814 has 8 divisors (see below), whose sum is σ = 267677640. Its totient is φ = 44612936.

The previous prime is 133838767. The next prime is 133838839. The reversal of 133838814 is 418838331.

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

133838814 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11153229 + ... + 11153240.

It is an arithmetic number, because the mean of its divisors is an integer number (33459705).

Almost surely, 2^133838814 is an apocalyptic number.

133838814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133838814 is a wasteful number, since it uses less digits than its factorization.

133838814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22306474.

The product of its digits is 55296, while the sum is 39.

The square root of 133838814 is about 11568.8726330615. The cubic root of 133838814 is about 511.5177318132.

The spelling of 133838814 in words is "one hundred thirty-three million, eight hundred thirty-eight thousand, eight hundred fourteen".