133325415 has 12 divisors (see below), whose sum is σ = 231097464. Its totient is φ = 71106864.

The previous prime is 133325371. The next prime is 133325419. The reversal of 133325415 is 514523331.

It is not a de Polignac number, because 133325415 - 2⁶ = 133325351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133325419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1481349 + ... + 1481438.

It is an arithmetic number, because the mean of its divisors is an integer number (19258122).

Almost surely, 2^133325415 is an apocalyptic number.

133325415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133325415 is a deficient number, since it is larger than the sum of its proper divisors (97772049).

133325415 is a wasteful number, since it uses less digits than its factorization.

133325415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962798 (or 2962795 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 133325415 is about 11546.6625048106. The cubic root of 133325415 is about 510.8628415730.

Adding to 133325415 its reverse (514523331), we get a palindrome (647848746).

The spelling of 133325415 in words is "one hundred thirty-three million, three hundred twenty-five thousand, four hundred fifteen".