213024420139 has 2 divisors, whose sum is σ = 213024420140. Its totient is φ = 213024420138.

The previous prime is 213024420121. The next prime is 213024420151. The reversal of 213024420139 is 931024420312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213024420139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213024420139.

It is not a weakly prime, because it can be changed into another prime (213024420109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106512210069 + 106512210070.

It is an arithmetic number, because the mean of its divisors is an integer number (106512210070).

Almost surely, 2^213024420139 is an apocalyptic number.

213024420139 is a deficient number, since it is larger than the sum of its proper divisors (1).

213024420139 is an equidigital number, since it uses as much as digits as its factorization.

213024420139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 213024420139 in words is "two hundred thirteen billion, twenty-four million, four hundred twenty thousand, one hundred thirty-nine".