133455135 has 24 divisors (see below), whose sum is σ = 234707760. Its totient is φ = 64704640.

The previous prime is 133455121. The next prime is 133455139. The reversal of 133455135 is 531554331.

It is not a de Polignac number, because 133455135 - 2²¹ = 131357983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133455139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34950 + ... + 38579.

It is an arithmetic number, because the mean of its divisors is an integer number (9779490).

Almost surely, 2^133455135 is an apocalyptic number.

133455135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133455135 is a deficient number, since it is larger than the sum of its proper divisors (101252625).

133455135 is a wasteful number, since it uses less digits than its factorization.

133455135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73559 (or 73548 counting only the distinct ones).

The product of its digits is 13500, while the sum is 30.

The square root of 133455135 is about 11552.2783467159. The cubic root of 133455135 is about 511.0284705269.

The spelling of 133455135 in words is "one hundred thirty-three million, four hundred fifty-five thousand, one hundred thirty-five".