6378139000 has 32 divisors (see below), whose sum is σ = 14924847600. Its totient is φ = 2551255200.

The previous prime is 6378138967. The next prime is 6378139003. The reversal of 6378139000 is 9318736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6378139003) 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, 3188070 + ... + 3190069.

Almost surely, 2^6378139000 is an apocalyptic number.

It is an amenable number.

6378139000 is an abundant number, since it is smaller than the sum of its proper divisors (8546708600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6378139000 is a wasteful number, since it uses less digits than its factorization.

6378139000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6378160 (or 6378146 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 6378139000 is about 79863.2518746889. The cubic root of 6378139000 is about 1854.5191683184.

The spelling of 6378139000 in words is "six billion, three hundred seventy-eight million, one hundred thirty-nine thousand".