133838264 has 16 divisors (see below), whose sum is σ = 286796400. Its totient is φ = 57359232.

The previous prime is 133838249. The next prime is 133838267. The reversal of 133838264 is 462838331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133838267) 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 3 ways as a sum of consecutive naturals, for example, 1194929 + ... + 1195040.

It is an arithmetic number, because the mean of its divisors is an integer number (17924775).

Almost surely, 2^133838264 is an apocalyptic number.

133838264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

133838264 is an abundant number, since it is smaller than the sum of its proper divisors (152958136).

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

133838264 is a wasteful number, since it uses less digits than its factorization.

133838264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389982 (or 2389978 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 133838264 is about 11568.8488623545. The cubic root of 133838264 is about 511.5170311317.

The spelling of 133838264 in words is "one hundred thirty-three million, eight hundred thirty-eight thousand, two hundred sixty-four".