133408834 has 16 divisors (see below), whose sum is σ = 220764600. Its totient is φ = 60071040.

The previous prime is 133408831. The next prime is 133408837. The reversal of 133408834 is 438804331.

It is a happy number.

133408834 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (133408831) and next prime (133408837).

It can be written as a sum of positive squares in 4 ways, for example, as 47568609 + 85840225 = 6897^2 + 9265^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133408834.

It is not an unprimeable number, because it can be changed into a prime (133408831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61509 + ... + 63640.

Almost surely, 2^133408834 is an apocalyptic number.

133408834 is a deficient number, since it is larger than the sum of its proper divisors (87355766).

133408834 is a wasteful number, since it uses less digits than its factorization.

133408834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125205.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 133408834 is about 11550.2741958795. The cubic root of 133408834 is about 510.9693648555.

The spelling of 133408834 in words is "one hundred thirty-three million, four hundred eight thousand, eight hundred thirty-four".