133893896 has 8 divisors (see below), whose sum is σ = 251051070. Its totient is φ = 66946944.

The previous prime is 133893863. The next prime is 133893901. The reversal of 133893896 is 698398331.

It can be written as a sum of positive squares in only one way, i.e., 116337796 + 17556100 = 10786^2 + 4190^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8368361 + ... + 8368376.

Almost surely, 2^133893896 is an apocalyptic number.

It is an amenable number.

133893896 is a deficient number, since it is larger than the sum of its proper divisors (117157174).

133893896 is a wasteful number, since it uses less digits than its factorization.

133893896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16736743 (or 16736739 counting only the distinct ones).

The product of its digits is 839808, while the sum is 50.

The square root of 133893896 is about 11571.2530004317. The cubic root of 133893896 is about 511.5878947066.

The spelling of 133893896 in words is "one hundred thirty-three million, eight hundred ninety-three thousand, eight hundred ninety-six".