133325115 has 64 divisors (see below), whose sum is σ = 269153280. Its totient is φ = 54743040.

The previous prime is 133325113. The next prime is 133325123. The reversal of 133325115 is 511523331.

It is not a de Polignac number, because 133325115 - 2¹ = 133325113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133325113) 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, 102147 + ... + 103443.

It is an arithmetic number, because the mean of its divisors is an integer number (4205520).

Almost surely, 2^133325115 is an apocalyptic number.

133325115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133325115 is an abundant number, since it is smaller than the sum of its proper divisors (135828165).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133325115 is a wasteful number, since it uses less digits than its factorization.

133325115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412.

The product of its digits is 1350, while the sum is 24.

The square root of 133325115 is about 11546.6495140365. The cubic root of 133325115 is about 510.8624584028.

Adding to 133325115 its reverse (511523331), we get a palindrome (644848446).

The spelling of 133325115 in words is "one hundred thirty-three million, three hundred twenty-five thousand, one hundred fifteen".