1138759241 has 2 divisors, whose sum is σ = 1138759242. Its totient is φ = 1138759240.

The previous prime is 1138759231. The next prime is 1138759247. The reversal of 1138759241 is 1429578311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1114157641 + 24601600 = 33379^2 + 4960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1138759241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1138759247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569379620 + 569379621.

It is an arithmetic number, because the mean of its divisors is an integer number (569379621).

Almost surely, 2^1138759241 is an apocalyptic number.

It is an amenable number.

1138759241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138759241 is an equidigital number, since it uses as much as digits as its factorization.

1138759241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 41.

The square root of 1138759241 is about 33745.5069750034. The cubic root of 1138759241 is about 1044.2647976189.

The spelling of 1138759241 in words is "one billion, one hundred thirty-eight million, seven hundred fifty-nine thousand, two hundred forty-one".