135087844759 has 20 divisors (see below), whose sum is σ = 158834357504. Its totient is φ = 114877592928.

The previous prime is 135087844751. The next prime is 135087844783. The reversal of 135087844759 is 957448780531.

It is not a de Polignac number, because 135087844759 - 2³ = 135087844751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135087844697 and 135087844706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135087844751) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 83419 + ... + 526435.

Almost surely, 2^135087844759 is an apocalyptic number.

135087844759 is a deficient number, since it is larger than the sum of its proper divisors (23746512745).

135087844759 is an frugal number, since it uses more digits than its factorization.

135087844759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443172 (or 443151 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 61.

The spelling of 135087844759 in words is "one hundred thirty-five billion, eighty-seven million, eight hundred forty-four thousand, seven hundred fifty-nine".