940126637 has 2 divisors, whose sum is σ = 940126638. Its totient is φ = 940126636.

The previous prime is 940126589. The next prime is 940126657. The reversal of 940126637 is 736621049.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 892157161 + 47969476 = 29869^2 + 6926^2 .

It is a cyclic number.

It is not a de Polignac number, because 940126637 - 2⁸ = 940126381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 940126637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (940126657) 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, 470063318 + 470063319.

It is an arithmetic number, because the mean of its divisors is an integer number (470063319).

Almost surely, 2^940126637 is an apocalyptic number.

It is an amenable number.

940126637 is a deficient number, since it is larger than the sum of its proper divisors (1).

940126637 is an equidigital number, since it uses as much as digits as its factorization.

940126637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 940126637 is about 30661.4845857144. The cubic root of 940126637 is about 979.6300967566.

The spelling of 940126637 in words is "nine hundred forty million, one hundred twenty-six thousand, six hundred thirty-seven".