13900126403 has 4 divisors (see below), whose sum is σ = 13918202760. Its totient is φ = 13882050048.

The previous prime is 13900126397. The next prime is 13900126433. The reversal of 13900126403 is 30462100931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30462100931 = 8737 ⋅3486563.

It is a cyclic number.

It is not a de Polignac number, because 13900126403 - 2²⁴ = 13883349187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13900126433) 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, 9037025 + ... + 9038562.

It is an arithmetic number, because the mean of its divisors is an integer number (3479550690).

Almost surely, 2^13900126403 is an apocalyptic number.

13900126403 is a deficient number, since it is larger than the sum of its proper divisors (18076357).

13900126403 is an equidigital number, since it uses as much as digits as its factorization.

13900126403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18076356.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 13900126403 in words is "thirteen billion, nine hundred million, one hundred twenty-six thousand, four hundred three".