1139259463 has 2 divisors, whose sum is σ = 1139259464. Its totient is φ = 1139259462.

The previous prime is 1139259449. The next prime is 1139259467. The reversal of 1139259463 is 3649529311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1139259463 - 2²¹ = 1137162311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1139259467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569629731 + 569629732.

It is an arithmetic number, because the mean of its divisors is an integer number (569629732).

Almost surely, 2^1139259463 is an apocalyptic number.

1139259463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139259463 is an equidigital number, since it uses as much as digits as its factorization.

1139259463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 43.

The square root of 1139259463 is about 33752.9178442398. The cubic root of 1139259463 is about 1044.4176797322.

The spelling of 1139259463 in words is "one billion, one hundred thirty-nine million, two hundred fifty-nine thousand, four hundred sixty-three".