133122315 has 16 divisors (see below), whose sum is σ = 215193888. Its totient is φ = 70265856.

The previous prime is 133122307. The next prime is 133122317. The reversal of 133122315 is 513221331.

It is not a de Polignac number, because 133122315 - 2³ = 133122307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133122291 and 133122300.

It is not an unprimeable number, because it can be changed into a prime (133122317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44292 + ... + 47201.

It is an arithmetic number, because the mean of its divisors is an integer number (13449618).

Almost surely, 2^133122315 is an apocalyptic number.

133122315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133122315 is a deficient number, since it is larger than the sum of its proper divisors (82071573).

133122315 is an equidigital number, since it uses as much as digits as its factorization.

133122315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91598.

The product of its digits is 540, while the sum is 21.

The square root of 133122315 is about 11537.8644037794. The cubic root of 133122315 is about 510.6033037269.

Adding to 133122315 its reverse (513221331), we get a palindrome (646343646).

The spelling of 133122315 in words is "one hundred thirty-three million, one hundred twenty-two thousand, three hundred fifteen".