21134146339 has 2 divisors, whose sum is σ = 21134146340. Its totient is φ = 21134146338.

The previous prime is 21134146333. The next prime is 21134146349. The reversal of 21134146339 is 93364143112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21134146339 - 2⁷ = 21134146211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21134146298 and 21134146307.

It is not a weakly prime, because it can be changed into another prime (21134146333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10567073169 + 10567073170.

It is an arithmetic number, because the mean of its divisors is an integer number (10567073170).

Almost surely, 2^21134146339 is an apocalyptic number.

21134146339 is a deficient number, since it is larger than the sum of its proper divisors (1).

21134146339 is an equidigital number, since it uses as much as digits as its factorization.

21134146339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 37.

The spelling of 21134146339 in words is "twenty-one billion, one hundred thirty-four million, one hundred forty-six thousand, three hundred thirty-nine".