133430030 has 16 divisors (see below), whose sum is σ = 240359184. Its totient is φ = 53330880.

The previous prime is 133430023. The next prime is 133430041. The reversal of 133430030 is 30034331.

It is a junction number, because it is equal to n+sod(n) for n = 133429990 and 133430008.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10850 + ... + 19610.

It is an arithmetic number, because the mean of its divisors is an integer number (15022449).

Almost surely, 2^133430030 is an apocalyptic number.

133430030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133430030 is a deficient number, since it is larger than the sum of its proper divisors (106929154).

133430030 is a wasteful number, since it uses less digits than its factorization.

133430030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10291.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 133430030 is about 11551.1917134121. The cubic root of 133430030 is about 510.9964243657.

Adding to 133430030 its reverse (30034331), we get a palindrome (163464361).

The spelling of 133430030 in words is "one hundred thirty-three million, four hundred thirty thousand, thirty".