1118250139 has 2 divisors, whose sum is σ = 1118250140. Its totient is φ = 1118250138.

The previous prime is 1118250103. The next prime is 1118250247. The reversal of 1118250139 is 9310528111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1118250139 - 2¹³ = 1118241947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1118250139.

It is not a weakly prime, because it can be changed into another prime (1118253139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559125069 + 559125070.

It is an arithmetic number, because the mean of its divisors is an integer number (559125070).

Almost surely, 2^1118250139 is an apocalyptic number.

1118250139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118250139 is an equidigital number, since it uses as much as digits as its factorization.

1118250139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 1118250139 is about 33440.2472927459. The cubic root of 1118250139 is about 1037.9576966188.

The spelling of 1118250139 in words is "one billion, one hundred eighteen million, two hundred fifty thousand, one hundred thirty-nine".