133044402 has 16 divisors (see below), whose sum is σ = 275264640. Its totient is φ = 42818832.

The previous prime is 133044383. The next prime is 133044407. The reversal of 133044402 is 204440331.

It is not an unprimeable number, because it can be changed into a prime (133044407) 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, 382138 + ... + 382485.

It is an arithmetic number, because the mean of its divisors is an integer number (17204040).

Almost surely, 2^133044402 is an apocalyptic number.

133044402 is an abundant number, since it is smaller than the sum of its proper divisors (142220238).

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

133044402 is a wasteful number, since it uses less digits than its factorization.

133044402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764657.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 133044402 is about 11534.4875048699. The cubic root of 133044402 is about 510.5036700454.

Adding to 133044402 its reverse (204440331), we get a palindrome (337484733).

The spelling of 133044402 in words is "one hundred thirty-three million, forty-four thousand, four hundred two".