133673510542 has 48 divisors (see below), whose sum is σ = 245026561680. Its totient is φ = 54152716800.

The previous prime is 133673510489. The next prime is 133673510557. The reversal of 133673510542 is 245015376331.

133673510542 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 = 133673510495 and 133673510504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 512059 + ... + 727702.

It is an arithmetic number, because the mean of its divisors is an integer number (5104720035).

Almost surely, 2^133673510542 is an apocalyptic number.

133673510542 is a deficient number, since it is larger than the sum of its proper divisors (111353051138).

133673510542 is a wasteful number, since it uses less digits than its factorization.

133673510542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239829 (or 1239816 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 40.

Adding to 133673510542 its reverse (245015376331), we get a palindrome (378688886873).

The spelling of 133673510542 in words is "one hundred thirty-three billion, six hundred seventy-three million, five hundred ten thousand, five hundred forty-two".