36138807 has 12 divisors (see below), whose sum is σ = 52252720. Its totient is φ = 24068448.

The previous prime is 36138803. The next prime is 36138829. The reversal of 36138807 is 70883163.

It is not a de Polignac number, because 36138807 - 2² = 36138803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36138803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15843 + ... + 17979.

Almost surely, 2^36138807 is an apocalyptic number.

36138807 is a deficient number, since it is larger than the sum of its proper divisors (16113913).

36138807 is a wasteful number, since it uses less digits than its factorization.

36138807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022 (or 4019 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 36138807 is about 6011.5561213383. The cubic root of 36138807 is about 330.6165608198.

The spelling of 36138807 in words is "thirty-six million, one hundred thirty-eight thousand, eight hundred seven".