133215365 has 8 divisors (see below), whose sum is σ = 168272160. Its totient is φ = 100963152.

The previous prime is 133215353. The next prime is 133215367. The reversal of 133215365 is 563512331.

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

It is a cyclic number.

It is not a de Polignac number, because 133215365 - 2²⁶ = 66106501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133215367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701039 + ... + 701228.

It is an arithmetic number, because the mean of its divisors is an integer number (21034020).

Almost surely, 2^133215365 is an apocalyptic number.

It is an amenable number.

133215365 is a deficient number, since it is larger than the sum of its proper divisors (35056795).

133215365 is a wasteful number, since it uses less digits than its factorization.

133215365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402291.

The product of its digits is 8100, while the sum is 29.

The square root of 133215365 is about 11541.8960747357. The cubic root of 133215365 is about 510.7222433947.

Adding to 133215365 its reverse (563512331), we get a palindrome (696727696).

The spelling of 133215365 in words is "one hundred thirty-three million, two hundred fifteen thousand, three hundred sixty-five".