40136163 has 4 divisors (see below), whose sum is σ = 53514888. Its totient is φ = 26757440.

The previous prime is 40136153. The next prime is 40136179. The reversal of 40136163 is 36163104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40136163 - 2⁹ = 40135651 is a prime.

It is a super-2 number, since 2×40136163² = 3221823160725138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40136153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6689358 + ... + 6689363.

It is an arithmetic number, because the mean of its divisors is an integer number (13378722).

Almost surely, 2^40136163 is an apocalyptic number.

40136163 is a deficient number, since it is larger than the sum of its proper divisors (13378725).

40136163 is a wasteful number, since it uses less digits than its factorization.

40136163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13378724.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 40136163 is about 6335.3108053197. The cubic root of 40136163 is about 342.3828089301.

Adding to 40136163 its reverse (36163104), we get a palindrome (76299267).

The spelling of 40136163 in words is "forty million, one hundred thirty-six thousand, one hundred sixty-three".