8138755 has 16 divisors (see below), whose sum is σ = 10160640. Its totient is φ = 6253792.

The previous prime is 8138747. The next prime is 8138761. The reversal of 8138755 is 5578318.

It is a cyclic number.

It is not a de Polignac number, because 8138755 - 2³ = 8138747 is a prime.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13572 + ... + 14158.

It is an arithmetic number, because the mean of its divisors is an integer number (635040).

Almost surely, 2^8138755 is an apocalyptic number.

8138755 is a deficient number, since it is larger than the sum of its proper divisors (2021885).

8138755 is a wasteful number, since it uses less digits than its factorization.

8138755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698.

The product of its digits is 33600, while the sum is 37.

The square root of 8138755 is about 2852.8503290569. The cubic root of 8138755 is about 201.1496702947.

The spelling of 8138755 in words is "eight million, one hundred thirty-eight thousand, seven hundred fifty-five".