133383065 has 4 divisors (see below), whose sum is σ = 160059684. Its totient is φ = 106706448.

The previous prime is 133383031. The next prime is 133383077. The reversal of 133383065 is 560383331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560383331 = 331 ⋅1693001.

It can be written as a sum of positive squares in 2 ways, for example, as 73599241 + 59783824 = 8579^2 + 7732^2 .

It is a cyclic number.

It is not a de Polignac number, because 133383065 - 2⁶ = 133383001 is a prime.

It is a Duffinian number.

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, 13338302 + ... + 13338311.

It is an arithmetic number, because the mean of its divisors is an integer number (40014921).

Almost surely, 2^133383065 is an apocalyptic number.

It is an amenable number.

133383065 is a deficient number, since it is larger than the sum of its proper divisors (26676619).

133383065 is an equidigital number, since it uses as much as digits as its factorization.

133383065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26676618.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 133383065 is about 11549.1586273633. The cubic root of 133383065 is about 510.9364634425.

The spelling of 133383065 in words is "one hundred thirty-three million, three hundred eighty-three thousand, sixty-five".