133155933 has 24 divisors (see below), whose sum is σ = 192499488. Its totient is φ = 81800928.

The previous prime is 133155899. The next prime is 133155937. The reversal of 133155933 is 339551331.

It is not a de Polignac number, because 133155933 - 2⁸ = 133155677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133155894 and 133155903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133155937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38410 + ... + 41732.

It is an arithmetic number, because the mean of its divisors is an integer number (8020812).

Almost surely, 2^133155933 is an apocalyptic number.

It is an amenable number.

133155933 is a deficient number, since it is larger than the sum of its proper divisors (59343555).

133155933 is a wasteful number, since it uses less digits than its factorization.

133155933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401 (or 3382 counting only the distinct ones).

The product of its digits is 18225, while the sum is 33.

The square root of 133155933 is about 11539.3211672091. The cubic root of 133155933 is about 510.6462817883.

The spelling of 133155933 in words is "one hundred thirty-three million, one hundred fifty-five thousand, nine hundred thirty-three".