133799902 has 4 divisors (see below), whose sum is σ = 200699856. Its totient is φ = 66899950.

The previous prime is 133799879. The next prime is 133799903. The reversal of 133799902 is 209997331.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133799903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33449974 + ... + 33449977.

It is an arithmetic number, because the mean of its divisors is an integer number (50174964).

Almost surely, 2^133799902 is an apocalyptic number.

133799902 is a deficient number, since it is larger than the sum of its proper divisors (66899954).

133799902 is an equidigital number, since it uses as much as digits as its factorization.

133799902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66899953.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 133799902 is about 11567.1907566185. The cubic root of 133799902 is about 511.4681544978.

The spelling of 133799902 in words is "one hundred thirty-three million, seven hundred ninety-nine thousand, nine hundred two".