36139161 has 24 divisors (see below), whose sum is σ = 51978784. Its totient is φ = 22325760.

The previous prime is 36139151. The next prime is 36139171. The reversal of 36139161 is 16193163.

It is an interprime number because it is at equal distance from previous prime (36139151) and next prime (36139171).

It is not a de Polignac number, because 36139161 - 2²¹ = 34042009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36139111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63006 + ... + 63576.

Almost surely, 2^36139161 is an apocalyptic number.

It is an amenable number.

36139161 is a deficient number, since it is larger than the sum of its proper divisors (15839623).

36139161 is a wasteful number, since it uses less digits than its factorization.

36139161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 664 counting only the distinct ones).

The product of its digits is 2916, while the sum is 30.

The square root of 36139161 is about 6011.5855645578. The cubic root of 36139161 is about 330.6176403416.

The spelling of 36139161 in words is "thirty-six million, one hundred thirty-nine thousand, one hundred sixty-one".