1240750759139 has 2 divisors, whose sum is σ = 1240750759140. Its totient is φ = 1240750759138.

The previous prime is 1240750759133. The next prime is 1240750759169. The reversal of 1240750759139 is 9319570570421.

It is a weak prime.

It is an emirp because it is prime and its reverse (9319570570421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1240750759139 - 2⁴ = 1240750759123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1240750759133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620375379569 + 620375379570.

It is an arithmetic number, because the mean of its divisors is an integer number (620375379570).

Almost surely, 2^{1240750759139} is an apocalyptic number.

1240750759139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240750759139 is an equidigital number, since it uses as much as digits as its factorization.

1240750759139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2381400, while the sum is 53.

The spelling of 1240750759139 in words is "one trillion, two hundred forty billion, seven hundred fifty million, seven hundred fifty-nine thousand, one hundred thirty-nine".