4537139 has 2 divisors, whose sum is σ = 4537140. Its totient is φ = 4537138.

The previous prime is 4537123. The next prime is 4537151. The reversal of 4537139 is 9317354.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4537139 - 2⁴ = 4537123 is a prime.

It is not a weakly prime, because it can be changed into another prime (4537189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2268569 + 2268570.

It is an arithmetic number, because the mean of its divisors is an integer number (2268570).

Almost surely, 2^4537139 is an apocalyptic number.

4537139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4537139 is an equidigital number, since it uses as much as digits as its factorization.

4537139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 32.

The square root of 4537139 is about 2130.0561025475. The cubic root of 4537139 is about 165.5493048670.

The spelling of 4537139 in words is "four million, five hundred thirty-seven thousand, one hundred thirty-nine".