133554042 has 32 divisors (see below), whose sum is σ = 297561600. Its totient is φ = 44401824.

The previous prime is 133554041. The next prime is 133554049. The reversal of 133554042 is 240455331.

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 = 133553997 and 133554015.

It is not an unprimeable number, because it can be changed into a prime (133554041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19063 + ... + 25109.

It is an arithmetic number, because the mean of its divisors is an integer number (9298800).

Almost surely, 2^133554042 is an apocalyptic number.

133554042 is an abundant number, since it is smaller than the sum of its proper divisors (164007558).

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

133554042 is a wasteful number, since it uses less digits than its factorization.

133554042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6467 (or 6461 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 133554042 is about 11556.5583977238. The cubic root of 133554042 is about 511.1546847574.

The spelling of 133554042 in words is "one hundred thirty-three million, five hundred fifty-four thousand, forty-two".