133335745 has 4 divisors (see below), whose sum is σ = 160002900. Its totient is φ = 106668592.

The previous prime is 133335721. The next prime is 133335751. The reversal of 133335745 is 547533331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32353344 + 100982401 = 5688^2 + 10049^2 .

It is a cyclic number.

It is not a de Polignac number, because 133335745 - 2¹³ = 133327553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133335745.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13333570 + ... + 13333579.

It is an arithmetic number, because the mean of its divisors is an integer number (40000725).

Almost surely, 2^133335745 is an apocalyptic number.

It is an amenable number.

133335745 is a deficient number, since it is larger than the sum of its proper divisors (26667155).

133335745 is an equidigital number, since it uses as much as digits as its factorization.

133335745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26667154.

The product of its digits is 56700, while the sum is 34.

The square root of 133335745 is about 11547.1098115502. The cubic root of 133335745 is about 510.8760350487.

The spelling of 133335745 in words is "one hundred thirty-three million, three hundred thirty-five thousand, seven hundred forty-five".