133662042 has 16 divisors (see below), whose sum is σ = 297026880. Its totient is φ = 44553996.

The previous prime is 133661999. The next prime is 133662043. The reversal of 133662042 is 240266331.

133662042 is a `hidden beast` number, since 1 + 3 + 36 + 620 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 133661997 and 133662015.

It is not an unprimeable number, because it can be changed into a prime (133662043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1237558 + ... + 1237665.

It is an arithmetic number, because the mean of its divisors is an integer number (18564180).

Almost surely, 2^133662042 is an apocalyptic number.

133662042 is an abundant number, since it is smaller than the sum of its proper divisors (163364838).

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

133662042 is a wasteful number, since it uses less digits than its factorization.

133662042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475234 (or 2475228 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 133662042 is about 11561.2301248613. The cubic root of 133662042 is about 511.2924313235.

The spelling of 133662042 in words is "one hundred thirty-three million, six hundred sixty-two thousand, forty-two".