133854090 has 32 divisors (see below), whose sum is σ = 340148160. Its totient is φ = 33594624.

The previous prime is 133854059. The next prime is 133854109. The reversal of 133854090 is 90458331.

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 15 ways as a sum of consecutive naturals, for example, 130720 + ... + 131739.

It is an arithmetic number, because the mean of its divisors is an integer number (10629630).

Almost surely, 2^133854090 is an apocalyptic number.

133854090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133854090 is an abundant number, since it is smaller than the sum of its proper divisors (206294070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133854090 is a wasteful number, since it uses less digits than its factorization.

133854090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262486.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 133854090 is about 11569.5328341295. The cubic root of 133854090 is about 511.5371921560.

The spelling of 133854090 in words is "one hundred thirty-three million, eight hundred fifty-four thousand, ninety".