201264137 has 2 divisors, whose sum is σ = 201264138. Its totient is φ = 201264136.

The previous prime is 201264083. The next prime is 201264143. The reversal of 201264137 is 731462102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105596176 + 95667961 = 10276^2 + 9781^2 .

It is a cyclic number.

It is not a de Polignac number, because 201264137 - 2⁶ = 201264073 is a prime.

It is not a weakly prime, because it can be changed into another prime (201264157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100632068 + 100632069.

It is an arithmetic number, because the mean of its divisors is an integer number (100632069).

Almost surely, 2^201264137 is an apocalyptic number.

It is an amenable number.

201264137 is a deficient number, since it is larger than the sum of its proper divisors (1).

201264137 is an equidigital number, since it uses as much as digits as its factorization.

201264137 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 201264137 is about 14186.7592141405. The cubic root of 201264137 is about 586.0330804437.

The spelling of 201264137 in words is "two hundred one million, two hundred sixty-four thousand, one hundred thirty-seven".