133849824 has 24 divisors (see below), whose sum is σ = 351356040. Its totient is φ = 44616576.

The previous prime is 133849801. The next prime is 133849861. The reversal of 133849824 is 428948331.

It is a tau number, because it is divible by the number of its divisors (24).

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, 697039 + ... + 697230.

It is an arithmetic number, because the mean of its divisors is an integer number (14639835).

Almost surely, 2^133849824 is an apocalyptic number.

It is an amenable number.

133849824 is an abundant number, since it is smaller than the sum of its proper divisors (217506216).

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

133849824 is a wasteful number, since it uses less digits than its factorization.

133849824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394282 (or 1394274 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 133849824 is about 11569.3484691231. The cubic root of 133849824 is about 511.5317577788.

The spelling of 133849824 in words is "one hundred thirty-three million, eight hundred forty-nine thousand, eight hundred twenty-four".