133808862 has 32 divisors (see below), whose sum is σ = 298742400. Its totient is φ = 39604320.

The previous prime is 133808839. The next prime is 133808863. The reversal of 133808862 is 268808331.

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

It is a self number, because there is not a number n which added to its sum of digits gives 133808862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133808863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20737 + ... + 26412.

It is an arithmetic number, because the mean of its divisors is an integer number (9335700).

Almost surely, 2^133808862 is an apocalyptic number.

133808862 is an abundant number, since it is smaller than the sum of its proper divisors (164933538).

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

133808862 is a wasteful number, since it uses less digits than its factorization.

133808862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47208.

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

The square root of 133808862 is about 11567.5780524706. The cubic root of 133808862 is about 511.4795711788.

The spelling of 133808862 in words is "one hundred thirty-three million, eight hundred eight thousand, eight hundred sixty-two".