133594542 has 32 divisors (see below), whose sum is σ = 299613600. Its totient is φ = 44121024.

The previous prime is 133594519. The next prime is 133594553. The reversal of 133594542 is 245495331.

133594542 is a `hidden beast` number, since 13 + 3 + 594 + 54 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 133594497 and 133594506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5463 + ... + 17234.

It is an arithmetic number, because the mean of its divisors is an integer number (9362925).

Almost surely, 2^133594542 is an apocalyptic number.

133594542 is an abundant number, since it is smaller than the sum of its proper divisors (166019058).

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

133594542 is a wasteful number, since it uses less digits than its factorization.

133594542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22817 (or 22811 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 133594542 is about 11558.3105166802. The cubic root of 133594542 is about 511.2063484190.

The spelling of 133594542 in words is "one hundred thirty-three million, five hundred ninety-four thousand, five hundred forty-two".