133552042 has 16 divisors (see below), whose sum is σ = 216018432. Its totient is φ = 61559280.

The previous prime is 133552039. The next prime is 133552043. The reversal of 133552042 is 240255331.

It is a super-2 number, since 2×133552042² = 35672295844739528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133551998 and 133552016.

It is not an unprimeable number, because it can be changed into a prime (133552043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20167 + ... + 25957.

It is an arithmetic number, because the mean of its divisors is an integer number (13501152).

Almost surely, 2^133552042 is an apocalyptic number.

133552042 is a deficient number, since it is larger than the sum of its proper divisors (82466390).

133552042 is a wasteful number, since it uses less digits than its factorization.

133552042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6693.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 133552042 is about 11556.4718664478. The cubic root of 133552042 is about 511.1521331949.

The spelling of 133552042 in words is "one hundred thirty-three million, five hundred fifty-two thousand, forty-two".