3785136545 has 16 divisors (see below), whose sum is σ = 4562889408. Its totient is φ = 3014320320.

The previous prime is 3785136539. The next prime is 3785136577. The reversal of 3785136545 is 5456315873.

3785136545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3785136545 - 2¹⁶ = 3785071009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3785136545.

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, 1959230 + ... + 1961160.

It is an arithmetic number, because the mean of its divisors is an integer number (285180588).

Almost surely, 2^3785136545 is an apocalyptic number.

It is an amenable number.

3785136545 is a deficient number, since it is larger than the sum of its proper divisors (777752863).

3785136545 is a wasteful number, since it uses less digits than its factorization.

3785136545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520.

The product of its digits is 1512000, while the sum is 47.

The square root of 3785136545 is about 61523.4633696771. The cubic root of 3785136545 is about 1558.4535058904.

The spelling of 3785136545 in words is "three billion, seven hundred eighty-five million, one hundred thirty-six thousand, five hundred forty-five".