133738542 has 36 divisors (see below), whose sum is σ = 337077936. Its totient is φ = 38210760.

The previous prime is 133738483. The next prime is 133738543. The reversal of 133738542 is 245837331.

133738542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 133738497 and 133738506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133738543) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 74934 + ... + 76697.

It is an arithmetic number, because the mean of its divisors is an integer number (9363276).

Almost surely, 2^133738542 is an apocalyptic number.

133738542 is an abundant number, since it is smaller than the sum of its proper divisors (203339394).

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

133738542 is a wasteful number, since it uses less digits than its factorization.

133738542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151653 (or 151643 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 133738542 is about 11564.5381230726. The cubic root of 133738542 is about 511.3899569202.

The spelling of 133738542 in words is "one hundred thirty-three million, seven hundred thirty-eight thousand, five hundred forty-two".