4290139 has 4 divisors (see below), whose sum is σ = 4903024. Its totient is φ = 3677256.

The previous prime is 4290133. The next prime is 4290151. The reversal of 4290139 is 9310924.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4290139 - 2⁵ = 4290107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4290133) 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, 306432 + ... + 306445.

It is an arithmetic number, because the mean of its divisors is an integer number (1225756).

Almost surely, 2^4290139 is an apocalyptic number.

4290139 is a deficient number, since it is larger than the sum of its proper divisors (612885).

4290139 is an equidigital number, since it uses as much as digits as its factorization.

4290139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612884.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 4290139 is about 2071.2650723652. The cubic root of 4290139 is about 162.4889333686.

The spelling of 4290139 in words is "four million, two hundred ninety thousand, one hundred thirty-nine".