36128745 has 48 divisors (see below), whose sum is σ = 66448512. Its totient is φ = 18120960.

The previous prime is 36128737. The next prime is 36128753. The reversal of 36128745 is 54782163.

It is an interprime number because it is at equal distance from previous prime (36128737) and next prime (36128753).

It is not a de Polignac number, because 36128745 - 2³ = 36128737 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69085 + ... + 69605.

It is an arithmetic number, because the mean of its divisors is an integer number (1384344).

It is a vampire number, since it can be written as 4623 ⋅ 7815 (with its own digits).

Almost surely, 2^36128745 is an apocalyptic number.

It is an amenable number.

36128745 is a deficient number, since it is larger than the sum of its proper divisors (30319767).

36128745 is a wasteful number, since it uses less digits than its factorization.

36128745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 619 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 36128745 is about 6010.7191749407. The cubic root of 36128745 is about 330.5858738391.

The spelling of 36128745 in words is "thirty-six million, one hundred twenty-eight thousand, seven hundred forty-five".