7138404313447 has 8 divisors (see below), whose sum is σ = 7799386257792. Its totient is φ = 6479428385400.

The previous prime is 7138404313429. The next prime is 7138404313451. The reversal of 7138404313447 is 7443134048317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7138404313447 - 2³⁵ = 7104044575079 is a prime.

It is a super-2 number, since 2×7138404313447² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7138404313447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138404313847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501496629 + ... + 501510862.

It is an arithmetic number, because the mean of its divisors is an integer number (974923282224).

Almost surely, 2^{7138404313447} is an apocalyptic number.

7138404313447 is a deficient number, since it is larger than the sum of its proper divisors (660981944345).

7138404313447 is a wasteful number, since it uses less digits than its factorization.

7138404313447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003008149.

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 7138404313447 in words is "seven trillion, one hundred thirty-eight billion, four hundred four million, three hundred thirteen thousand, four hundred forty-seven".