36128913 has 16 divisors (see below), whose sum is σ = 49593600. Its totient is φ = 23381120.

The previous prime is 36128819. The next prime is 36128959. The reversal of 36128913 is 31982163.

It is a cyclic number.

It is not a de Polignac number, because 36128913 - 2¹⁴ = 36112529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36128413) 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, 28783 + ... + 30011.

It is an arithmetic number, because the mean of its divisors is an integer number (3099600).

Almost surely, 2^36128913 is an apocalyptic number.

It is an amenable number.

36128913 is a deficient number, since it is larger than the sum of its proper divisors (13464687).

36128913 is a wasteful number, since it uses less digits than its factorization.

36128913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512.

The product of its digits is 7776, while the sum is 33.

The square root of 36128913 is about 6010.7331499577. The cubic root of 36128913 is about 330.5863862505.

The spelling of 36128913 in words is "thirty-six million, one hundred twenty-eight thousand, nine hundred thirteen".