128343702 has 8 divisors (see below), whose sum is σ = 256687416. Its totient is φ = 42781232.

The previous prime is 128343679. The next prime is 128343773. The reversal of 128343702 is 207343821.

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

128343702 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 128343702.

It is a congruent number.

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, 10695303 + ... + 10695314.

It is an arithmetic number, because the mean of its divisors is an integer number (32085927).

Almost surely, 2^128343702 is an apocalyptic number.

128343702 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.

128343702 is a wasteful number, since it uses less digits than its factorization.

128343702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21390622.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 128343702 is about 11328.8879418944. The cubic root of 128343702 is about 504.4190974252.

The spelling of 128343702 in words is "one hundred twenty-eight million, three hundred forty-three thousand, seven hundred two".