1704681138 has 8 divisors (see below), whose sum is σ = 3409362288. Its totient is φ = 568227044.

The previous prime is 1704681119. The next prime is 1704681151. The reversal of 1704681138 is 8311864071.

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

1704681138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1704681096 and 1704681105.

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, 142056756 + ... + 142056767.

It is an arithmetic number, because the mean of its divisors is an integer number (426170286).

Almost surely, 2^1704681138 is an apocalyptic number.

1704681138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1704681138 is a wasteful number, since it uses less digits than its factorization.

1704681138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284113528.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 1704681138 is about 41287.7843677764. The cubic root of 1704681138 is about 1194.5776506216.

The spelling of 1704681138 in words is "one billion, seven hundred four million, six hundred eighty-one thousand, one hundred thirty-eight".