181135042 has 8 divisors (see below), whose sum is σ = 296402832. Its totient is φ = 82334100.

The previous prime is 181135027. The next prime is 181135063. The reversal of 181135042 is 240531181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 181134998 and 181135016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4116684 + ... + 4116727.

It is an arithmetic number, because the mean of its divisors is an integer number (37050354).

Almost surely, 2^181135042 is an apocalyptic number.

181135042 is a deficient number, since it is larger than the sum of its proper divisors (115267790).

181135042 is a wasteful number, since it uses less digits than its factorization.

181135042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8233424.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 181135042 is about 13458.6419077112. The cubic root of 181135042 is about 565.8059263786.

The spelling of 181135042 in words is "one hundred eighty-one million, one hundred thirty-five thousand, forty-two".