133446830 has 16 divisors (see below), whose sum is σ = 262041264. Its totient is φ = 48526080.

The previous prime is 133446809. The next prime is 133446853. The reversal of 133446830 is 38644331.

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, 606467 + ... + 606686.

It is an arithmetic number, because the mean of its divisors is an integer number (16377579).

Almost surely, 2^133446830 is an apocalyptic number.

133446830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133446830 is a deficient number, since it is larger than the sum of its proper divisors (128594434).

133446830 is a wasteful number, since it uses less digits than its factorization.

133446830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213171.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 133446830 is about 11551.9188882194. The cubic root of 133446830 is about 511.0178697621.

The spelling of 133446830 in words is "one hundred thirty-three million, four hundred forty-six thousand, eight hundred thirty".