7138964349 has 16 divisors (see below), whose sum is σ = 11537720640. Its totient is φ = 4326644880.

The previous prime is 7138964347. The next prime is 7138964353. The reversal of 7138964349 is 9434698317.

It is a happy number.

It is not a de Polignac number, because 7138964349 - 2¹ = 7138964347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7138964295 and 7138964304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138964347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12018162 + ... + 12018755.

It is an arithmetic number, because the mean of its divisors is an integer number (721107540).

Almost surely, 2^7138964349 is an apocalyptic number.

It is an amenable number.

7138964349 is a deficient number, since it is larger than the sum of its proper divisors (4398756291).

7138964349 is a wasteful number, since it uses less digits than its factorization.

7138964349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24036937 (or 24036931 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 7138964349 is about 84492.3922551611. The cubic root of 7138964349 is about 1925.5068636834.

The spelling of 7138964349 in words is "seven billion, one hundred thirty-eight million, nine hundred sixty-four thousand, three hundred forty-nine".