133551842 has 16 divisors (see below), whose sum is σ = 205632000. Its totient is φ = 65014560.

The previous prime is 133551841. The next prime is 133551853. The reversal of 133551842 is 248155331.

It is a junction number, because it is equal to n+sod(n) for n = 133551799 and 133551808.

It is not an unprimeable number, because it can be changed into a prime (133551841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47759 + ... + 50477.

It is an arithmetic number, because the mean of its divisors is an integer number (12852000).

Almost surely, 2^133551842 is an apocalyptic number.

133551842 is a deficient number, since it is larger than the sum of its proper divisors (72080158).

133551842 is a wasteful number, since it uses less digits than its factorization.

133551842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361.

The product of its digits is 14400, while the sum is 32.

The square root of 133551842 is about 11556.4632132846. The cubic root of 133551842 is about 511.1518780372.

The spelling of 133551842 in words is "one hundred thirty-three million, five hundred fifty-one thousand, eight hundred forty-two".