1674928138 has 32 divisors (see below), whose sum is σ = 2765871360. Its totient is φ = 756025920.

The previous prime is 1674928121. The next prime is 1674928163. The reversal of 1674928138 is 8318294761.

It is a junction number, because it is equal to n+sod(n) for n = 1674928091 and 1674928100.

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 in 15 ways as a sum of consecutive naturals, for example, 215968 + ... + 223588.

It is an arithmetic number, because the mean of its divisors is an integer number (86433480).

Almost surely, 2^1674928138 is an apocalyptic number.

1674928138 is a deficient number, since it is larger than the sum of its proper divisors (1090943222).

1674928138 is a wasteful number, since it uses less digits than its factorization.

1674928138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7822.

The product of its digits is 580608, while the sum is 49.

The square root of 1674928138 is about 40925.8859158846. The cubic root of 1674928138 is about 1187.5868849891.

The spelling of 1674928138 in words is "one billion, six hundred seventy-four million, nine hundred twenty-eight thousand, one hundred thirty-eight".