135574642 has 16 divisors (see below), whose sum is σ = 235688832. Its totient is φ = 57284640.

The previous prime is 135574639. The next prime is 135574661. The reversal of 135574642 is 246475531.

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 7 ways as a sum of consecutive naturals, for example, 67203 + ... + 69190.

It is an arithmetic number, because the mean of its divisors is an integer number (14730552).

Almost surely, 2^135574642 is an apocalyptic number.

135574642 is a deficient number, since it is larger than the sum of its proper divisors (100114190).

135574642 is a wasteful number, since it uses less digits than its factorization.

135574642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136473.

The product of its digits is 100800, while the sum is 37.

The square root of 135574642 is about 11643.6524338371. The cubic root of 135574642 is about 513.7196233147.

The spelling of 135574642 in words is "one hundred thirty-five million, five hundred seventy-four thousand, six hundred forty-two".