133135226 has 16 divisors (see below), whose sum is σ = 228799680. Its totient is φ = 56916000.

The previous prime is 133135217. The next prime is 133135229. The reversal of 133135226 is 622531331.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133135195 and 133135204.

It is not an unprimeable number, because it can be changed into a prime (133135229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5900 + ... + 17351.

It is an arithmetic number, because the mean of its divisors is an integer number (14299980).

Almost surely, 2^133135226 is an apocalyptic number.

133135226 is a deficient number, since it is larger than the sum of its proper divisors (95664454).

133135226 is a wasteful number, since it uses less digits than its factorization.

133135226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23669.

The product of its digits is 3240, while the sum is 26.

The square root of 133135226 is about 11538.4238958360. The cubic root of 133135226 is about 510.6198103162.

Adding to 133135226 its reverse (622531331), we get a palindrome (755666557).

The spelling of 133135226 in words is "one hundred thirty-three million, one hundred thirty-five thousand, two hundred twenty-six".