264210137 has 2 divisors, whose sum is σ = 264210138. Its totient is φ = 264210136.

The previous prime is 264210053. The next prime is 264210139. The reversal of 264210137 is 731012462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254593936 + 9616201 = 15956^2 + 3101^2 .

It is a cyclic number.

It is not a de Polignac number, because 264210137 - 2¹⁸ = 263947993 is a prime.

Together with 264210139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (264210139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132105068 + 132105069.

It is an arithmetic number, because the mean of its divisors is an integer number (132105069).

Almost surely, 2^264210137 is an apocalyptic number.

It is an amenable number.

264210137 is a deficient number, since it is larger than the sum of its proper divisors (1).

264210137 is an equidigital number, since it uses as much as digits as its factorization.

264210137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 264210137 is about 16254.5420421493. The cubic root of 264210137 is about 641.6770283441.

Adding to 264210137 its reverse (731012462), we get a palindrome (995222599).

The spelling of 264210137 in words is "two hundred sixty-four million, two hundred ten thousand, one hundred thirty-seven".