135745860185 has 16 divisors (see below), whose sum is σ = 178735337424. Its totient is φ = 98351715072.

The previous prime is 135745860179. The next prime is 135745860203. The reversal of 135745860185 is 581068547531.

It can be written as a sum of positive squares in 8 ways, for example, as 390299536 + 135355560649 = 19756^2 + 367907^2 .

It is not a de Polignac number, because 135745860185 - 2⁶ = 135745860121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19698422 + ... + 19705311.

It is an arithmetic number, because the mean of its divisors is an integer number (11170958589).

Almost surely, 2^135745860185 is an apocalyptic number.

It is an amenable number.

135745860185 is a deficient number, since it is larger than the sum of its proper divisors (42989477239).

135745860185 is a wasteful number, since it uses less digits than its factorization.

135745860185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39403804.

The product of its (nonzero) digits is 4032000, while the sum is 53.

The spelling of 135745860185 in words is "one hundred thirty-five billion, seven hundred forty-five million, eight hundred sixty thousand, one hundred eighty-five".