4267139 has 4 divisors (see below), whose sum is σ = 4298424. Its totient is φ = 4235856.

The previous prime is 4267117. The next prime is 4267141. The reversal of 4267139 is 9317624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4267139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4267169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15437 + ... + 15710.

It is an arithmetic number, because the mean of its divisors is an integer number (1074606).

Almost surely, 2^4267139 is an apocalyptic number.

4267139 is a deficient number, since it is larger than the sum of its proper divisors (31285).

4267139 is a wasteful number, since it uses less digits than its factorization.

4267139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31284.

The product of its digits is 9072, while the sum is 32.

The square root of 4267139 is about 2065.7054485091. The cubic root of 4267139 is about 162.1980380502.

The spelling of 4267139 in words is "four million, two hundred sixty-seven thousand, one hundred thirty-nine".