133815230 has 8 divisors (see below), whose sum is σ = 240867432. Its totient is φ = 53526088.

The previous prime is 133815223. The next prime is 133815257. The reversal of 133815230 is 32518331.

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

It is a self number, because there is not a number n which added to its sum of digits gives 133815230.

It is a congruent 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, 6690752 + ... + 6690771.

It is an arithmetic number, because the mean of its divisors is an integer number (30108429).

Almost surely, 2^133815230 is an apocalyptic number.

133815230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133815230 is a deficient number, since it is larger than the sum of its proper divisors (107052202).

133815230 is a wasteful number, since it uses less digits than its factorization.

133815230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13381530.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 133815230 is about 11567.8533012828. The cubic root of 133815230 is about 511.4876848672.

The spelling of 133815230 in words is "one hundred thirty-three million, eight hundred fifteen thousand, two hundred thirty".