213214053137 has 2 divisors, whose sum is σ = 213214053138. Its totient is φ = 213214053136.

The previous prime is 213214053121. The next prime is 213214053163. The reversal of 213214053137 is 731350412312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183047921281 + 30166131856 = 427841^2 + 173684^2 .

It is a cyclic number.

It is not a de Polignac number, because 213214053137 - 2⁴ = 213214053121 is a prime.

It is not a weakly prime, because it can be changed into another prime (213214052137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106607026568 + 106607026569.

It is an arithmetic number, because the mean of its divisors is an integer number (106607026569).

Almost surely, 2^213214053137 is an apocalyptic number.

It is an amenable number.

213214053137 is a deficient number, since it is larger than the sum of its proper divisors (1).

213214053137 is an equidigital number, since it uses as much as digits as its factorization.

213214053137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 213214053137 its reverse (731350412312), we get a palindrome (944564465449).

The spelling of 213214053137 in words is "two hundred thirteen billion, two hundred fourteen million, fifty-three thousand, one hundred thirty-seven".