133403230 has 16 divisors (see below), whose sum is σ = 247872384. Its totient is φ = 51639840.

The previous prime is 133403201. The next prime is 133403251. The reversal of 133403230 is 32304331.

It is a junction number, because it is equal to n+sod(n) for n = 133403198 and 133403207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214857 + ... + 215476.

It is an arithmetic number, because the mean of its divisors is an integer number (15492024).

Almost surely, 2^133403230 is an apocalyptic number.

133403230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133403230 is a deficient number, since it is larger than the sum of its proper divisors (114469154).

133403230 is a wasteful number, since it uses less digits than its factorization.

133403230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430371.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 133403230 is about 11550.0316016884. The cubic root of 133403230 is about 510.9622101258.

Adding to 133403230 its reverse (32304331), we get a palindrome (165707561).

The spelling of 133403230 in words is "one hundred thirty-three million, four hundred three thousand, two hundred thirty".