128763682 has 16 divisors (see below), whose sum is σ = 196843680. Its totient is φ = 63157248.

The previous prime is 128763653. The next prime is 128763757. The reversal of 128763682 is 286367821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32569 + ... + 36307.

It is an arithmetic number, because the mean of its divisors is an integer number (12302730).

Almost surely, 2^128763682 is an apocalyptic number.

128763682 is a deficient number, since it is larger than the sum of its proper divisors (68079998).

128763682 is a wasteful number, since it uses less digits than its factorization.

128763682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065.

The product of its digits is 193536, while the sum is 43.

The square root of 128763682 is about 11347.4086028485. The cubic root of 128763682 is about 504.9687030894.

The spelling of 128763682 in words is "one hundred twenty-eight million, seven hundred sixty-three thousand, six hundred eighty-two".