133099975 has 12 divisors (see below), whose sum is σ = 166589784. Its totient is φ = 105482720.

The previous prime is 133099973. The next prime is 133100017. The reversal of 133099975 is 579990331.

It is not a de Polignac number, because 133099975 - 2¹ = 133099973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133099973) 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 11 ways as a sum of consecutive naturals, for example, 22204 + ... + 27553.

It is an arithmetic number, because the mean of its divisors is an integer number (13882482).

Almost surely, 2^133099975 is an apocalyptic number.

133099975 is a deficient number, since it is larger than the sum of its proper divisors (33489809).

133099975 is a wasteful number, since it uses less digits than its factorization.

133099975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49874 (or 49869 counting only the distinct ones).

The product of its (nonzero) digits is 229635, while the sum is 46.

The square root of 133099975 is about 11536.8962463914. The cubic root of 133099975 is about 510.5747397305.

The spelling of 133099975 in words is "one hundred thirty-three million, ninety-nine thousand, nine hundred seventy-five".