133554814 has 16 divisors (see below), whose sum is σ = 204568560. Its totient is φ = 65378880.

The previous prime is 133554791. The next prime is 133554823. The reversal of 133554814 is 418455331.

It is a self number, because there is not a number n which added to its sum of digits gives 133554814.

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, 17004 + ... + 23584.

It is an arithmetic number, because the mean of its divisors is an integer number (12785535).

Almost surely, 2^133554814 is an apocalyptic number.

133554814 is a deficient number, since it is larger than the sum of its proper divisors (71013746).

133554814 is a wasteful number, since it uses less digits than its factorization.

133554814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6795.

The product of its digits is 28800, while the sum is 34.

The square root of 133554814 is about 11556.5917986230. The cubic root of 133554814 is about 511.1556696538.

The spelling of 133554814 in words is "one hundred thirty-three million, five hundred fifty-four thousand, eight hundred fourteen".