202110137 has 2 divisors, whose sum is σ = 202110138. Its totient is φ = 202110136.

The previous prime is 202110119. The next prime is 202110151. The reversal of 202110137 is 731011202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120912016 + 81198121 = 10996^2 + 9011^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202110137 is a prime.

It is not a weakly prime, because it can be changed into another prime (202110107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055068 + 101055069.

It is an arithmetic number, because the mean of its divisors is an integer number (101055069).

Almost surely, 2^202110137 is an apocalyptic number.

It is an amenable number.

202110137 is a deficient number, since it is larger than the sum of its proper divisors (1).

202110137 is an equidigital number, since it uses as much as digits as its factorization.

202110137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 202110137 is about 14216.5444816946. The cubic root of 202110137 is about 586.8530492443.

Adding to 202110137 its reverse (731011202), we get a palindrome (933121339).

The spelling of 202110137 in words is "two hundred two million, one hundred ten thousand, one hundred thirty-seven".