40136141 has 2 divisors, whose sum is σ = 40136142. Its totient is φ = 40136140.

The previous prime is 40136119. The next prime is 40136153. The reversal of 40136141 is 14163104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30858025 + 9278116 = 5555^2 + 3046^2 .

It is a cyclic number.

It is not a de Polignac number, because 40136141 - 2⁶ = 40136077 is a prime.

It is a super-2 number, since 2×40136141² = 3221819628743762, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40136101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20068070 + 20068071.

It is an arithmetic number, because the mean of its divisors is an integer number (20068071).

Almost surely, 2^40136141 is an apocalyptic number.

It is an amenable number.

40136141 is a deficient number, since it is larger than the sum of its proper divisors (1).

40136141 is an equidigital number, since it uses as much as digits as its factorization.

40136141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 40136141 is about 6335.3090690194. The cubic root of 40136141 is about 342.3827463729.

Adding to 40136141 its reverse (14163104), we get a palindrome (54299245).

The spelling of 40136141 in words is "forty million, one hundred thirty-six thousand, one hundred forty-one".