6919138 has 8 divisors (see below), whose sum is σ = 10713600. Its totient is φ = 3347940.

The previous prime is 6919117. The next prime is 6919141. The reversal of 6919138 is 8319196.

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

It is a junction number, because it is equal to n+sod(n) for n = 6919097 and 6919106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55738 + ... + 55861.

It is an arithmetic number, because the mean of its divisors is an integer number (1339200).

Almost surely, 2^6919138 is an apocalyptic number.

6919138 is a deficient number, since it is larger than the sum of its proper divisors (3794462).

6919138 is a wasteful number, since it uses less digits than its factorization.

6919138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111632.

The product of its digits is 11664, while the sum is 37.

The square root of 6919138 is about 2630.4254408745. The cubic root of 6919138 is about 190.5536758340.

The spelling of 6919138 in words is "six million, nine hundred nineteen thousand, one hundred thirty-eight".