133249959 has 12 divisors (see below), whose sum is σ = 197167152. Its totient is φ = 86666400.

The previous prime is 133249951. The next prime is 133249969. The reversal of 133249959 is 959942331.

It is not a de Polignac number, because 133249959 - 2³ = 133249951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133249951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180187 + ... + 180924.

It is an arithmetic number, because the mean of its divisors is an integer number (16430596).

Almost surely, 2^133249959 is an apocalyptic number.

133249959 is a deficient number, since it is larger than the sum of its proper divisors (63917193).

133249959 is a wasteful number, since it uses less digits than its factorization.

133249959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361158 (or 361155 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 133249959 is about 11543.3946047079. The cubic root of 133249959 is about 510.7664484961.

The spelling of 133249959 in words is "one hundred thirty-three million, two hundred forty-nine thousand, nine hundred fifty-nine".