135161042 has 8 divisors (see below), whose sum is σ = 203474316. Its totient is φ = 67336272.

The previous prime is 135161027. The next prime is 135161053. The reversal of 135161042 is 240161531.

It can be written as a sum of positive squares in 2 ways, for example, as 114083761 + 21077281 = 10681^2 + 4591^2 .

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 = 135160999 and 135161017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121433 + ... + 122540.

Almost surely, 2^135161042 is an apocalyptic number.

135161042 is a deficient number, since it is larger than the sum of its proper divisors (68313274).

135161042 is a wasteful number, since it uses less digits than its factorization.

135161042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244252.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 135161042 is about 11625.8781173725. The cubic root of 135161042 is about 513.1966866098.

The spelling of 135161042 in words is "one hundred thirty-five million, one hundred sixty-one thousand, forty-two".