1263140360239 has 4 divisors (see below), whose sum is σ = 1263194022600. Its totient is φ = 1263086697880.

The previous prime is 1263140360221. The next prime is 1263140360269. The reversal of 1263140360239 is 9320630413621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1263140360239 - 2²¹ = 1263138263087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263140360269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26795857 + ... + 26842954.

It is an arithmetic number, because the mean of its divisors is an integer number (315798505650).

Almost surely, 2^{1263140360239} is an apocalyptic number.

1263140360239 is a deficient number, since it is larger than the sum of its proper divisors (53662361).

1263140360239 is an equidigital number, since it uses as much as digits as its factorization.

1263140360239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53662360.

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 1263140360239 in words is "one trillion, two hundred sixty-three billion, one hundred forty million, three hundred sixty thousand, two hundred thirty-nine".