133068392 has 8 divisors (see below), whose sum is σ = 249503250. Its totient is φ = 66534192.

The previous prime is 133068373. The next prime is 133068407. The reversal of 133068392 is 293860331.

It can be written as a sum of positive squares in only one way, i.e., 103103716 + 29964676 = 10154^2 + 5474^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8316767 + ... + 8316782.

Almost surely, 2^133068392 is an apocalyptic number.

It is an amenable number.

133068392 is a deficient number, since it is larger than the sum of its proper divisors (116434858).

133068392 is a wasteful number, since it uses less digits than its factorization.

133068392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16633555 (or 16633551 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 133068392 is about 11535.5273828291. The cubic root of 133068392 is about 510.5343521506.

The spelling of 133068392 in words is "one hundred thirty-three million, sixty-eight thousand, three hundred ninety-two".