24020400139 has 2 divisors, whose sum is σ = 24020400140. Its totient is φ = 24020400138.

The previous prime is 24020400119. The next prime is 24020400241. The reversal of 24020400139 is 93100402042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 24020400139 - 2¹¹ = 24020398091 is a prime.

It is not a weakly prime, because it can be changed into another prime (24020400119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12010200069 + 12010200070.

It is an arithmetic number, because the mean of its divisors is an integer number (12010200070).

Almost surely, 2^24020400139 is an apocalyptic number.

24020400139 is a deficient number, since it is larger than the sum of its proper divisors (1).

24020400139 is an equidigital number, since it uses as much as digits as its factorization.

24020400139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 24020400139 in words is "twenty-four billion, twenty million, four hundred thousand, one hundred thirty-nine".