133397365 has 8 divisors (see below), whose sum is σ = 160836768. Its totient is φ = 106211280.

The previous prime is 133397357. The next prime is 133397389. The reversal of 133397365 is 563793331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133397365 - 2³ = 133397357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62167 + ... + 64276.

It is an arithmetic number, because the mean of its divisors is an integer number (20104596).

Almost surely, 2^133397365 is an apocalyptic number.

It is an amenable number.

133397365 is a deficient number, since it is larger than the sum of its proper divisors (27439403).

133397365 is a wasteful number, since it uses less digits than its factorization.

133397365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126659.

The product of its digits is 153090, while the sum is 40.

The square root of 133397365 is about 11549.7777034885. Note that the first 4 decimals coincide. The cubic root of 133397365 is about 510.9547219581.

The spelling of 133397365 in words is "one hundred thirty-three million, three hundred ninety-seven thousand, three hundred sixty-five".