1138265279341 has 4 divisors (see below), whose sum is σ = 1140734401884. Its totient is φ = 1135796156800.

The previous prime is 1138265279339. The next prime is 1138265279377. The reversal of 1138265279341 is 1439725628311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 721091387241 + 417173892100 = 849171^2 + 645890^2 .

It is a cyclic number.

It is not a de Polignac number, because 1138265279341 - 2¹ = 1138265279339 is a prime.

It is a super-2 number, since 2×1138265279341² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138265279321) 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, 1234560580 + ... + 1234561501.

It is an arithmetic number, because the mean of its divisors is an integer number (285183600471).

Almost surely, 2^{1138265279341} is an apocalyptic number.

It is an amenable number.

1138265279341 is a deficient number, since it is larger than the sum of its proper divisors (2469122543).

1138265279341 is an equidigital number, since it uses as much as digits as its factorization.

1138265279341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469122542.

The product of its digits is 2177280, while the sum is 52.

The spelling of 1138265279341 in words is "one trillion, one hundred thirty-eight billion, two hundred sixty-five million, two hundred seventy-nine thousand, three hundred forty-one".