6219139148 has 6 divisors (see below), whose sum is σ = 10883493516. Its totient is φ = 3109569572.

The previous prime is 6219139133. The next prime is 6219139181. The reversal of 6219139148 is 8419319126.

It is a junction number, because it is equal to n+sod(n) for n = 6219139099 and 6219139108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777392390 + ... + 777392397.

It is an arithmetic number, because the mean of its divisors is an integer number (1813915586).

Almost surely, 2^6219139148 is an apocalyptic number.

It is an amenable number.

6219139148 is a deficient number, since it is larger than the sum of its proper divisors (4664354368).

6219139148 is a wasteful number, since it uses less digits than its factorization.

6219139148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554784791 (or 1554784789 counting only the distinct ones).

The product of its digits is 93312, while the sum is 44.

The square root of 6219139148 is about 78861.5188035331. The cubic root of 6219139148 is about 1838.9789494940.

The spelling of 6219139148 in words is "six billion, two hundred nineteen million, one hundred thirty-nine thousand, one hundred forty-eight".