6874121138 has 8 divisors (see below), whose sum is σ = 10313388288. Its totient is φ = 3436325044.

The previous prime is 6874121129. The next prime is 6874121153. The reversal of 6874121138 is 8311214786.

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 = 6874121095 and 6874121104.

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, 356006 + ... + 374817.

It is an arithmetic number, because the mean of its divisors is an integer number (1289173536).

Almost surely, 2^6874121138 is an apocalyptic number.

6874121138 is a deficient number, since it is larger than the sum of its proper divisors (3439267150).

6874121138 is a wasteful number, since it uses less digits than its factorization.

6874121138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735528.

The product of its digits is 64512, while the sum is 41.

The square root of 6874121138 is about 82910.3198522355. The cubic root of 6874121138 is about 1901.3952021908.

The spelling of 6874121138 in words is "six billion, eight hundred seventy-four million, one hundred twenty-one thousand, one hundred thirty-eight".