133005430 has 16 divisors (see below), whose sum is σ = 241879680. Its totient is φ = 52653312.

The previous prime is 133005421. The next prime is 133005443. The reversal of 133005430 is 34500331.

It is a junction number, because it is equal to n+sod(n) for n = 133005398 and 133005407.

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, 67590 + ... + 69529.

It is an arithmetic number, because the mean of its divisors is an integer number (15117480).

Almost surely, 2^133005430 is an apocalyptic number.

133005430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133005430 is a deficient number, since it is larger than the sum of its proper divisors (108874250).

133005430 is a wasteful number, since it uses less digits than its factorization.

133005430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137223.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 133005430 is about 11532.7980126247. The cubic root of 133005430 is about 510.4538187886.

Adding to 133005430 its reverse (34500331), we get a palindrome (167505761).

The spelling of 133005430 in words is "one hundred thirty-three million, five thousand, four hundred thirty".