136028428140287 has 16 divisors (see below), whose sum is σ = 143865833529600. Its totient is φ = 128407707955200.

The previous prime is 136028428140221. The next prime is 136028428140289. The reversal of 136028428140287 is 782041824820631.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136028428140287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136028428140289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1714898 + ... + 16583055.

It is an arithmetic number, because the mean of its divisors is an integer number (8991614595600).

Almost surely, 2^{136028428140287} is an apocalyptic number.

136028428140287 is a deficient number, since it is larger than the sum of its proper divisors (7837405389313).

136028428140287 is a wasteful number, since it uses less digits than its factorization.

136028428140287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18303874.

The product of its (nonzero) digits is 8257536, while the sum is 56.

The spelling of 136028428140287 in words is "one hundred thirty-six trillion, twenty-eight billion, four hundred twenty-eight million, one hundred forty thousand, two hundred eighty-seven".