4002423139 has 32 divisors (see below), whose sum is σ = 4874385600. Its totient is φ = 3236136960.

The previous prime is 4002423097. The next prime is 4002423181. The reversal of 4002423139 is 9313242004.

It is an interprime number because it is at equal distance from previous prime (4002423097) and next prime (4002423181).

It is a cyclic number.

It is not a de Polignac number, because 4002423139 - 2¹⁷ = 4002292067 is a prime.

It is a super-2 number, since 2×4002423139² = 32038781967205226642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4002423199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3354327 + ... + 3355519.

It is an arithmetic number, because the mean of its divisors is an integer number (152324550).

Almost surely, 2^4002423139 is an apocalyptic number.

4002423139 is a deficient number, since it is larger than the sum of its proper divisors (871962461).

4002423139 is a wasteful number, since it uses less digits than its factorization.

4002423139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 4002423139 is about 63264.7068988706. The cubic root of 4002423139 is about 1587.7215283801.

The spelling of 4002423139 in words is "four billion, two million, four hundred twenty-three thousand, one hundred thirty-nine".