133230615 has 64 divisors (see below), whose sum is σ = 260858880. Its totient is φ = 56678400.

The previous prime is 133230563. The next prime is 133230619. The reversal of 133230615 is 516032331.

It is a happy number.

It is not a de Polignac number, because 133230615 - 2¹¹ = 133228567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133230619) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 179916 + ... + 180654.

It is an arithmetic number, because the mean of its divisors is an integer number (4075920).

Almost surely, 2^133230615 is an apocalyptic number.

133230615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133230615 is a deficient number, since it is larger than the sum of its proper divisors (127628265).

133230615 is a wasteful number, since it uses less digits than its factorization.

133230615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 133230615 is about 11542.5566925183. The cubic root of 133230615 is about 510.7417311794.

Adding to 133230615 its reverse (516032331), we get a palindrome (649262946).

The spelling of 133230615 in words is "one hundred thirty-three million, two hundred thirty thousand, six hundred fifteen".