135860308628787 has 24 divisors (see below), whose sum is σ = 197548705885440. Its totient is φ = 89970791353200.

The previous prime is 135860308628783. The next prime is 135860308628813. The reversal of 135860308628787 is 787826803068531.

135860308628787 is a `hidden beast` number, since 1 + 3 + 5 + 8 + 603 + 0 + 8 + 6 + 2 + 8 + 7 + 8 + 7 = 666.

It is not a de Polignac number, because 135860308628787 - 2² = 135860308628783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135860308628783) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40628028 + ... + 43844694.

It is an arithmetic number, because the mean of its divisors is an integer number (8231196078560).

Almost surely, 2^{135860308628787} is an apocalyptic number.

135860308628787 is a deficient number, since it is larger than the sum of its proper divisors (61688397256653).

135860308628787 is a wasteful number, since it uses less digits than its factorization.

135860308628787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247903 (or 3247900 counting only the distinct ones).

The product of its (nonzero) digits is 650280960, while the sum is 72.

The spelling of 135860308628787 in words is "one hundred thirty-five trillion, eight hundred sixty billion, three hundred eight million, six hundred twenty-eight thousand, seven hundred eighty-seven".