9740128144 has 40 divisors (see below), whose sum is σ = 19320950880. Its totient is φ = 4754201088.

The previous prime is 9740128133. The next prime is 9740128147. The reversal of 9740128144 is 4418210479.

It is a junction number, because it is equal to n+sod(n) for n = 9740128097 and 9740128106.

It is not an unprimeable number, because it can be changed into a prime (9740128147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2019624 + ... + 2024440.

It is an arithmetic number, because the mean of its divisors is an integer number (483023772).

Almost surely, 2^9740128144 is an apocalyptic number.

It is an amenable number.

9740128144 is a deficient number, since it is larger than the sum of its proper divisors (9580822736).

9740128144 is a wasteful number, since it uses less digits than its factorization.

9740128144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7807 (or 7801 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 9740128144 is about 98692.0875450509. The cubic root of 9740128144 is about 2135.6080876068.

The spelling of 9740128144 in words is "nine billion, seven hundred forty million, one hundred twenty-eight thousand, one hundred forty-four".