420224110139 has 2 divisors, whose sum is σ = 420224110140. Its totient is φ = 420224110138.

The previous prime is 420224110129. The next prime is 420224110157. The reversal of 420224110139 is 931011422024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420224110139 - 2²⁰ = 420223061563 is a prime.

It is a super-2 number, since 2×420224110139² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (420224110129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210112055069 + 210112055070.

It is an arithmetic number, because the mean of its divisors is an integer number (210112055070).

Almost surely, 2^420224110139 is an apocalyptic number.

420224110139 is a deficient number, since it is larger than the sum of its proper divisors (1).

420224110139 is an equidigital number, since it uses as much as digits as its factorization.

420224110139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 420224110139 in words is "four hundred twenty billion, two hundred twenty-four million, one hundred ten thousand, one hundred thirty-nine".