135616613042 has 32 divisors (see below), whose sum is σ = 221293351728. Its totient is φ = 62072027136.

The previous prime is 135616613021. The next prime is 135616613047. The reversal of 135616613042 is 240316616531.

It can be written as a sum of positive squares in 8 ways, for example, as 109144997641 + 26471615401 = 330371^2 + 162701^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135616612987 and 135616613005.

It is not an unprimeable number, because it can be changed into a prime (135616613047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3701678 + ... + 3738134.

Almost surely, 2^135616613042 is an apocalyptic number.

135616613042 is a deficient number, since it is larger than the sum of its proper divisors (85676738686).

135616613042 is a wasteful number, since it uses less digits than its factorization.

135616613042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39470.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 135616613042 in words is "one hundred thirty-five billion, six hundred sixteen million, six hundred thirteen thousand, forty-two".