4237139 has 4 divisors (see below), whose sum is σ = 4295256. Its totient is φ = 4179024.

The previous prime is 4237127. The next prime is 4237151. The reversal of 4237139 is 9317324.

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

It is an interprime number because it is at equal distance from previous prime (4237127) and next prime (4237151).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4237139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4237939) 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, 28949 + ... + 29094.

It is an arithmetic number, because the mean of its divisors is an integer number (1073814).

Almost surely, 2^4237139 is an apocalyptic number.

4237139 is a deficient number, since it is larger than the sum of its proper divisors (58117).

4237139 is an equidigital number, since it uses as much as digits as its factorization.

4237139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58116.

The product of its digits is 4536, while the sum is 29.

The square root of 4237139 is about 2058.4311987531. The cubic root of 4237139 is about 161.8170341990.

The spelling of 4237139 in words is "four million, two hundred thirty-seven thousand, one hundred thirty-nine".