133655473 has 16 divisors (see below), whose sum is σ = 156816000. Its totient is φ = 111549312.

The previous prime is 133655471. The next prime is 133655491. The reversal of 133655473 is 374556331.

It is not a de Polignac number, because 133655473 - 2¹ = 133655471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133655471) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 43533 + ... + 46501.

It is an arithmetic number, because the mean of its divisors is an integer number (9801000).

Almost surely, 2^133655473 is an apocalyptic number.

It is an amenable number.

133655473 is a deficient number, since it is larger than the sum of its proper divisors (23160527).

133655473 is a wasteful number, since it uses less digits than its factorization.

133655473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144.

The product of its digits is 113400, while the sum is 37.

The square root of 133655473 is about 11560.9460253043. The cubic root of 133655473 is about 511.2840551359.

The spelling of 133655473 in words is "one hundred thirty-three million, six hundred fifty-five thousand, four hundred seventy-three".