200137129 has 2 divisors, whose sum is σ = 200137130. Its totient is φ = 200137128.

The previous prime is 200137123. The next prime is 200137177. The reversal of 200137129 is 921731002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177555625 + 22581504 = 13325^2 + 4752^2 .

It is a cyclic number.

It is not a de Polignac number, because 200137129 - 2³ = 200137121 is a prime.

It is not a weakly prime, because it can be changed into another prime (200137121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100068564 + 100068565.

It is an arithmetic number, because the mean of its divisors is an integer number (100068565).

Almost surely, 2^200137129 is an apocalyptic number.

It is an amenable number.

200137129 is a deficient number, since it is larger than the sum of its proper divisors (1).

200137129 is an equidigital number, since it uses as much as digits as its factorization.

200137129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 200137129 is about 14146.9830352623. The cubic root of 200137129 is about 584.9371729835.

The spelling of 200137129 in words is "two hundred million, one hundred thirty-seven thousand, one hundred twenty-nine".