1139845209263 has 16 divisors (see below), whose sum is σ = 1169479434240. Its totient is φ = 1110439349376.

The previous prime is 1139845209259. The next prime is 1139845209271. The reversal of 1139845209263 is 3629025489311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1139845209263 - 2² = 1139845209259 is a prime.

It is a super-3 number, since 3×1139845209263³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139842209263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27129170 + ... + 27171152.

It is an arithmetic number, because the mean of its divisors is an integer number (73092464640).

Almost surely, 2^{1139845209263} is an apocalyptic number.

1139845209263 is a deficient number, since it is larger than the sum of its proper divisors (29634224977).

1139845209263 is a wasteful number, since it uses less digits than its factorization.

1139845209263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44686.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 1139845209263 in words is "one trillion, one hundred thirty-nine billion, eight hundred forty-five million, two hundred nine thousand, two hundred sixty-three".