38764145139 has 4 divisors (see below), whose sum is σ = 51685526856. Its totient is φ = 25842763424.

The previous prime is 38764145107. The next prime is 38764145141. The reversal of 38764145139 is 93154146783.

38764145139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38764145139 - 2⁵ = 38764145107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38764145091 and 38764145100.

It is not an unprimeable number, because it can be changed into a prime (38764145179) 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, 6460690854 + ... + 6460690859.

It is an arithmetic number, because the mean of its divisors is an integer number (12921381714).

Almost surely, 2^38764145139 is an apocalyptic number.

38764145139 is a deficient number, since it is larger than the sum of its proper divisors (12921381717).

38764145139 is a wasteful number, since it uses less digits than its factorization.

38764145139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12921381716.

The product of its digits is 2177280, while the sum is 51.

The spelling of 38764145139 in words is "thirty-eight billion, seven hundred sixty-four million, one hundred forty-five thousand, one hundred thirty-nine".