133808952 has 32 divisors (see below), whose sum is σ = 336746880. Its totient is φ = 44306400.

The previous prime is 133808947. The next prime is 133808971. The reversal of 133808952 is 259808331.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 133808952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14838 + ... + 22085.

It is an arithmetic number, because the mean of its divisors is an integer number (10523340).

Almost surely, 2^133808952 is an apocalyptic number.

133808952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133808952 is an abundant number, since it is smaller than the sum of its proper divisors (202937928).

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

133808952 is a wasteful number, since it uses less digits than its factorization.

133808952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37083 (or 37079 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 133808952 is about 11567.5819426534. The cubic root of 133808952 is about 511.4796858527.

The spelling of 133808952 in words is "one hundred thirty-three million, eight hundred eight thousand, nine hundred fifty-two".