133801473 has 16 divisors (see below), whose sum is σ = 192689280. Its totient is φ = 82097664.

The previous prime is 133801471. The next prime is 133801483. The reversal of 133801473 is 374108331.

It is not a de Polignac number, because 133801473 - 2¹ = 133801471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133801473.

It is not an unprimeable number, because it can be changed into a prime (133801471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8908 + ... + 18626.

It is an arithmetic number, because the mean of its divisors is an integer number (12043080).

Almost surely, 2^133801473 is an apocalyptic number.

133801473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133801473 is a deficient number, since it is larger than the sum of its proper divisors (58887807).

133801473 is a wasteful number, since it uses less digits than its factorization.

133801473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10088.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 133801473 is about 11567.2586640051. The cubic root of 133801473 is about 511.4701562764.

The spelling of 133801473 in words is "one hundred thirty-three million, eight hundred one thousand, four hundred seventy-three".