1141638739 has 2 divisors, whose sum is σ = 1141638740. Its totient is φ = 1141638738.

The previous prime is 1141638733. The next prime is 1141638763. The reversal of 1141638739 is 9378361411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1141638739 - 2¹⁷ = 1141507667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1141638695 and 1141638704.

It is not a weakly prime, because it can be changed into another prime (1141638733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570819369 + 570819370.

It is an arithmetic number, because the mean of its divisors is an integer number (570819370).

Almost surely, 2^1141638739 is an apocalyptic number.

1141638739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141638739 is an equidigital number, since it uses as much as digits as its factorization.

1141638739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 1141638739 is about 33788.1449475996. The cubic root of 1141638739 is about 1045.1442423542.

The spelling of 1141638739 in words is "one billion, one hundred forty-one million, six hundred thirty-eight thousand, seven hundred thirty-nine".