4028135697 has 8 divisors (see below), whose sum is σ = 5967608480. Its totient is φ = 2685423780.

The previous prime is 4028135677. The next prime is 4028135731. The reversal of 4028135697 is 7965318204.

4028135697 is a `hidden beast` number, since 4 + 0 + 2 + 81 + 3 + 569 + 7 = 666.

4028135697 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4028135697 - 2²³ = 4019747089 is a prime.

It is a Duffinian number.

4028135697 is strictly pandigital in base 10.

It is not an unprimeable number, because it can be changed into a prime (4028135677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74595079 + ... + 74595132.

It is an arithmetic number, because the mean of its divisors is an integer number (745951060).

It is a 2-persistent number, because it is pandigital, and so is 2⋅4028135697 = 8056271394, but 3⋅4028135697 = 12084407091 is not.

Almost surely, 2^4028135697 is an apocalyptic number.

It is an amenable number.

4028135697 is a deficient number, since it is larger than the sum of its proper divisors (1939472783).

4028135697 is a wasteful number, since it uses less digits than its factorization.

4028135697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149190220 (or 149190214 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 4028135697 is about 63467.5956453370. The cubic root of 4028135697 is about 1591.1142456726.

The spelling of 4028135697 in words is "four billion, twenty-eight million, one hundred thirty-five thousand, six hundred ninety-seven".