1139910637 has 2 divisors, whose sum is σ = 1139910638. Its totient is φ = 1139910636.

The previous prime is 1139910623. The next prime is 1139910701. The reversal of 1139910637 is 7360199311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1065761316 + 74149321 = 32646^2 + 8611^2 .

It is a cyclic number.

It is not a de Polignac number, because 1139910637 - 2¹⁹ = 1139386349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1139910637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1139911637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569955318 + 569955319.

It is an arithmetic number, because the mean of its divisors is an integer number (569955319).

Almost surely, 2^1139910637 is an apocalyptic number.

It is an amenable number.

1139910637 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139910637 is an equidigital number, since it uses as much as digits as its factorization.

1139910637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 1139910637 is about 33762.5626545142. The cubic root of 1139910637 is about 1044.6166300520.

The spelling of 1139910637 in words is "one billion, one hundred thirty-nine million, nine hundred ten thousand, six hundred thirty-seven".