135589147778 has 32 divisors (see below), whose sum is σ = 235699282560. Its totient is φ = 57294967680.

The previous prime is 135589147777. The next prime is 135589147783. The reversal of 135589147778 is 877741985531.

It is not an unprimeable number, because it can be changed into a prime (135589147777) 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, 3384368 + ... + 3424196.

It is an arithmetic number, because the mean of its divisors is an integer number (7365602580).

Almost surely, 2^135589147778 is an apocalyptic number.

135589147778 is a deficient number, since it is larger than the sum of its proper divisors (100110134782).

135589147778 is a wasteful number, since it uses less digits than its factorization.

135589147778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43242.

The product of its digits is 59270400, while the sum is 65.

The spelling of 135589147778 in words is "one hundred thirty-five billion, five hundred eighty-nine million, one hundred forty-seven thousand, seven hundred seventy-eight".