133113126 has 16 divisors (see below), whose sum is σ = 280238400. Its totient is φ = 42035688.

The previous prime is 133113119. The next prime is 133113139. The reversal of 133113126 is 621311331.

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is a congruent number.

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, 583716 + ... + 583943.

It is an arithmetic number, because the mean of its divisors is an integer number (17514900).

Almost surely, 2^133113126 is an apocalyptic number.

133113126 is an abundant number, since it is smaller than the sum of its proper divisors (147125274).

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

133113126 is a wasteful number, since it uses less digits than its factorization.

133113126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167683.

The product of its digits is 324, while the sum is 21.

The square root of 133113126 is about 11537.4661862993. The cubic root of 133113126 is about 510.5915550286.

Adding to 133113126 its reverse (621311331), we get a palindrome (754424457).

The spelling of 133113126 in words is "one hundred thirty-three million, one hundred thirteen thousand, one hundred twenty-six".