133615165 has 8 divisors (see below), whose sum is σ = 167309568. Its totient is φ = 102244560.

The previous prime is 133615129. The next prime is 133615171. The reversal of 133615165 is 561516331.

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

It is not a de Polignac number, because 133615165 - 2⁷ = 133615037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580821 + ... + 581050.

It is an arithmetic number, because the mean of its divisors is an integer number (20913696).

Almost surely, 2^133615165 is an apocalyptic number.

It is an amenable number.

133615165 is a deficient number, since it is larger than the sum of its proper divisors (33694403).

133615165 is a wasteful number, since it uses less digits than its factorization.

133615165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161899.

The product of its digits is 8100, while the sum is 31.

The square root of 133615165 is about 11559.2026109070. The cubic root of 133615165 is about 511.2326520537.

The spelling of 133615165 in words is "one hundred thirty-three million, six hundred fifteen thousand, one hundred sixty-five".