40715137 has 2 divisors, whose sum is σ = 40715138. Its totient is φ = 40715136.

The previous prime is 40715089. The next prime is 40715149. The reversal of 40715137 is 73151704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38638656 + 2076481 = 6216^2 + 1441^2 .

It is a cyclic number.

It is not a de Polignac number, because 40715137 - 2²³ = 32326529 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40715197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20357568 + 20357569.

It is an arithmetic number, because the mean of its divisors is an integer number (20357569).

Almost surely, 2^40715137 is an apocalyptic number.

It is an amenable number.

40715137 is a deficient number, since it is larger than the sum of its proper divisors (1).

40715137 is an equidigital number, since it uses as much as digits as its factorization.

40715137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 40715137 is about 6380.8414021977. The cubic root of 40715137 is about 344.0212742612.

The spelling of 40715137 in words is "forty million, seven hundred fifteen thousand, one hundred thirty-seven".