4051139 has 2 divisors, whose sum is σ = 4051140. Its totient is φ = 4051138.

The previous prime is 4051133. The next prime is 4051181. The reversal of 4051139 is 9311504.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4051139 is a prime.

It is a Chen prime.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (4051133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2025569 + 2025570.

It is an arithmetic number, because the mean of its divisors is an integer number (2025570).

Almost surely, 2^4051139 is an apocalyptic number.

4051139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4051139 is an equidigital number, since it uses as much as digits as its factorization.

4051139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 4051139 is about 2012.7441466813. The cubic root of 4051139 is about 159.4137267930.

The spelling of 4051139 in words is "four million, fifty-one thousand, one hundred thirty-nine".