128735002 has 64 divisors (see below), whose sum is σ = 235560960. Its totient is φ = 52113600.

The previous prime is 128734997. The next prime is 128735023. The reversal of 128735002 is 200537821.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 454753 + ... + 455035.

It is an arithmetic number, because the mean of its divisors is an integer number (3680640).

Almost surely, 2^128735002 is an apocalyptic number.

128735002 is a deficient number, since it is larger than the sum of its proper divisors (106825958).

128735002 is a wasteful number, since it uses less digits than its factorization.

128735002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 128735002 is about 11346.1448078191. The cubic root of 128735002 is about 504.9312091378.

The spelling of 128735002 in words is "one hundred twenty-eight million, seven hundred thirty-five thousand, two".