13440131403399 has 24 divisors (see below), whose sum is σ = 20505032598960. Its totient is φ = 8459533009152.

The previous prime is 13440131403397. The next prime is 13440131403401. The reversal of 13440131403399 is 99330413104431.

13440131403399 is a `hidden beast` number, since 1 + 3 + 440 + 131 + 40 + 3 + 39 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (13440131403397) and next prime (13440131403401).

It is not a de Polignac number, because 13440131403399 - 2¹ = 13440131403397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440131403397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134074914 + ... + 134175119.

It is an arithmetic number, because the mean of its divisors is an integer number (854376358290).

Almost surely, 2^{13440131403399} is an apocalyptic number.

13440131403399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13440131403399 is a deficient number, since it is larger than the sum of its proper divisors (7064901195561).

13440131403399 is a wasteful number, since it uses less digits than its factorization.

13440131403399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268250351 (or 268250348 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 13440131403399 in words is "thirteen trillion, four hundred forty billion, one hundred thirty-one million, four hundred three thousand, three hundred ninety-nine".