133226430 has 16 divisors (see below), whose sum is σ = 319743504. Its totient is φ = 35527040.

The previous prime is 133226411. The next prime is 133226441. The reversal of 133226430 is 34622331.

It is a self number, because there is not a number n which added to its sum of digits gives 133226430.

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, 2220411 + ... + 2220470.

It is an arithmetic number, because the mean of its divisors is an integer number (19983969).

Almost surely, 2^133226430 is an apocalyptic number.

133226430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133226430 is an abundant number, since it is smaller than the sum of its proper divisors (186517074).

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

133226430 is a wasteful number, since it uses less digits than its factorization.

133226430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4440891.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 133226430 is about 11542.3754054354. The cubic root of 133226430 is about 510.7363833682.

Adding to 133226430 its reverse (34622331), we get a palindrome (167848761).

The spelling of 133226430 in words is "one hundred thirty-three million, two hundred twenty-six thousand, four hundred thirty".