40137263 has 2 divisors, whose sum is σ = 40137264. Its totient is φ = 40137262.

The previous prime is 40137259. The next prime is 40137311. The reversal of 40137263 is 36273104.

40137263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40137263 - 2² = 40137259 is a prime.

It is a super-2 number, since 2×40137263² = 3221999762262338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40137203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20068631 + 20068632.

It is an arithmetic number, because the mean of its divisors is an integer number (20068632).

Almost surely, 2^40137263 is an apocalyptic number.

40137263 is a deficient number, since it is larger than the sum of its proper divisors (1).

40137263 is an equidigital number, since it uses as much as digits as its factorization.

40137263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 40137263 is about 6335.3976197236. The cubic root of 40137263 is about 342.3859367632.

The spelling of 40137263 in words is "forty million, one hundred thirty-seven thousand, two hundred sixty-three".