24002138 has 8 divisors (see below), whose sum is σ = 36881460. Its totient is φ = 11708320.

The previous prime is 24002129. The next prime is 24002141. The reversal of 24002138 is 83120042.

It can be written as a sum of positive squares in 2 ways, for example, as 16345849 + 7656289 = 4043^2 + 2767^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×24002138² = 1152205257142088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146273 + ... + 146436.

Almost surely, 2^24002138 is an apocalyptic number.

24002138 is a deficient number, since it is larger than the sum of its proper divisors (12879322).

24002138 is a wasteful number, since it uses less digits than its factorization.

24002138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292752.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 24002138 is about 4899.1976894181. The cubic root of 24002138 is about 288.4584791671.

The spelling of 24002138 in words is "twenty-four million, two thousand, one hundred thirty-eight".