8201139 has 16 divisors (see below), whose sum is σ = 11208960. Its totient is φ = 5332320.

The previous prime is 8201111. The next prime is 8201153. The reversal of 8201139 is 9311028.

It is not a de Polignac number, because 8201139 - 2⁸ = 8200883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8201159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29469 + ... + 29745.

It is an arithmetic number, because the mean of its divisors is an integer number (700560).

Almost surely, 2^8201139 is an apocalyptic number.

8201139 is a deficient number, since it is larger than the sum of its proper divisors (3007821).

8201139 is a wasteful number, since it uses less digits than its factorization.

8201139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 8201139 is about 2863.7630837763. The cubic root of 8201139 is about 201.6623037859.

The spelling of 8201139 in words is "eight million, two hundred one thousand, one hundred thirty-nine".