7138128072703 has 4 divisors (see below), whose sum is σ = 7138135546408. Its totient is φ = 7138120599000.

The previous prime is 7138128072631. The next prime is 7138128072709. The reversal of 7138128072703 is 3072708218317.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7138128072703 - 2³³ = 7129538138111 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 (7138128072709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2050548 + ... + 4298953.

It is an arithmetic number, because the mean of its divisors is an integer number (1784533886602).

Almost surely, 2^{7138128072703} is an apocalyptic number.

7138128072703 is a deficient number, since it is larger than the sum of its proper divisors (7473705).

7138128072703 is a wasteful number, since it uses less digits than its factorization.

7138128072703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7473704.

The product of its (nonzero) digits is 790272, while the sum is 49.

The spelling of 7138128072703 in words is "seven trillion, one hundred thirty-eight billion, one hundred twenty-eight million, seventy-two thousand, seven hundred three".