133439094 has 48 divisors (see below), whose sum is σ = 298771200. Its totient is φ = 43009920.

The previous prime is 133439093. The next prime is 133439129. The reversal of 133439094 is 490934331.

133439094 is a `hidden beast` number, since 133 + 439 + 0 + 94 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133439093) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 126682 + ... + 127730.

It is an arithmetic number, because the mean of its divisors is an integer number (6224400).

Almost surely, 2^133439094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133439094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149385600).

133439094 is an abundant number, since it is smaller than the sum of its proper divisors (165332106).

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

133439094 is a wasteful number, since it uses less digits than its factorization.

133439094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1282 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 133439094 is about 11551.5840472205. The cubic root of 133439094 is about 511.0079948913.

The spelling of 133439094 in words is "one hundred thirty-three million, four hundred thirty-nine thousand, ninety-four".