1139514247 has 2 divisors, whose sum is σ = 1139514248. Its totient is φ = 1139514246.

The previous prime is 1139514223. The next prime is 1139514253. The reversal of 1139514247 is 7424159311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1139514247 - 2¹⁹ = 1138989959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1139514217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569757123 + 569757124.

It is an arithmetic number, because the mean of its divisors is an integer number (569757124).

Almost surely, 2^1139514247 is an apocalyptic number.

1139514247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139514247 is an equidigital number, since it uses as much as digits as its factorization.

1139514247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 1139514247 is about 33756.6918847212. The cubic root of 1139514247 is about 1044.4955317897.

The spelling of 1139514247 in words is "one billion, one hundred thirty-nine million, five hundred fourteen thousand, two hundred forty-seven".