135610459778 has 16 divisors (see below), whose sum is σ = 204176142720. Its totient is φ = 67552191600.

The previous prime is 135610459741. The next prime is 135610459801. The reversal of 135610459778 is 877954016531.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500213 + ... + 722103.

It is an arithmetic number, because the mean of its divisors is an integer number (12761008920).

Almost surely, 2^135610459778 is an apocalyptic number.

135610459778 is a deficient number, since it is larger than the sum of its proper divisors (68565682942).

135610459778 is a wasteful number, since it uses less digits than its factorization.

135610459778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223033.

The product of its (nonzero) digits is 6350400, while the sum is 56.

The spelling of 135610459778 in words is "one hundred thirty-five billion, six hundred ten million, four hundred fifty-nine thousand, seven hundred seventy-eight".