133334430 has 32 divisors (see below), whose sum is σ = 320325408. Its totient is φ = 35520000.

The previous prime is 133334429. The next prime is 133334447. The reversal of 133334430 is 34433331.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 133334430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42930 + ... + 45930.

It is an arithmetic number, because the mean of its divisors is an integer number (10010169).

Almost surely, 2^133334430 is an apocalyptic number.

133334430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133334430 is an abundant number, since it is smaller than the sum of its proper divisors (186990978).

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

133334430 is a wasteful number, since it uses less digits than its factorization.

133334430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492.

The product of its (nonzero) digits is 3888, while the sum is 24.

The square root of 133334430 is about 11547.0528707545. The cubic root of 133334430 is about 510.8743555685.

Adding to 133334430 its reverse (34433331), we get a palindrome (167767761).

The spelling of 133334430 in words is "one hundred thirty-three million, three hundred thirty-four thousand, four hundred thirty".