133122340 has 24 divisors (see below), whose sum is σ = 301061880. Its totient is φ = 49152768.

The previous prime is 133122323. The next prime is 133122361. The reversal of 133122340 is 43221331.

It can be written as a sum of positive squares in 4 ways, for example, as 28387584 + 104734756 = 5328^2 + 10234^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255745 + ... + 256264.

It is an arithmetic number, because the mean of its divisors is an integer number (12544245).

Almost surely, 2^133122340 is an apocalyptic number.

133122340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133122340 is an abundant number, since it is smaller than the sum of its proper divisors (167939540).

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

133122340 is a wasteful number, since it uses less digits than its factorization.

133122340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512031 (or 512029 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 133122340 is about 11537.8654871688. The cubic root of 133122340 is about 510.6033356902.

Adding to 133122340 its reverse (43221331), we get a palindrome (176343671).

The spelling of 133122340 in words is "one hundred thirty-three million, one hundred twenty-two thousand, three hundred forty".