1682139708 has 18 divisors (see below), whose sum is σ = 4252075464. Its totient is φ = 560713224.

The previous prime is 1682139703. The next prime is 1682139713. The reversal of 1682139708 is 8079312861.

It is an interprime number because it is at equal distance from previous prime (1682139703) and next prime (1682139713).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1682139703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23363016 + ... + 23363087.

Almost surely, 2^1682139708 is an apocalyptic number.

1682139708 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1682139708 is an abundant number, since it is smaller than the sum of its proper divisors (2569935756).

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

1682139708 is a wasteful number, since it uses less digits than its factorization.

1682139708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46726113 (or 46726108 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1682139708 is about 41013.8965230079. The cubic root of 1682139708 is about 1189.2888691913.

The spelling of 1682139708 in words is "one billion, six hundred eighty-two million, one hundred thirty-nine thousand, seven hundred eight".