128730607330 has 48 divisors (see below), whose sum is σ = 251300366784. Its totient is φ = 47457433920.

The previous prime is 128730607217. The next prime is 128730607363. The reversal of 128730607330 is 33706037821.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1034565 + ... + 1152295.

It is an arithmetic number, because the mean of its divisors is an integer number (5235424308).

Almost surely, 2^128730607330 is an apocalyptic number.

128730607330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128730607330 is a deficient number, since it is larger than the sum of its proper divisors (122569759454).

128730607330 is a wasteful number, since it uses less digits than its factorization.

128730607330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118411 (or 118398 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 128730607330 in words is "one hundred twenty-eight billion, seven hundred thirty million, six hundred seven thousand, three hundred thirty".