4640137 has 2 divisors, whose sum is σ = 4640138. Its totient is φ = 4640136.

The previous prime is 4640131. The next prime is 4640143. The reversal of 4640137 is 7310464.

It is a balanced prime because it is at equal distance from previous prime (4640131) and next prime (4640143).

It can be written as a sum of positive squares in only one way, i.e., 3154176 + 1485961 = 1776^2 + 1219^2 .

It is a cyclic number.

It is not a de Polignac number, because 4640137 - 2¹¹ = 4638089 is a prime.

It is not a weakly prime, because it can be changed into another prime (4640131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320068 + 2320069.

It is an arithmetic number, because the mean of its divisors is an integer number (2320069).

Almost surely, 2^4640137 is an apocalyptic number.

It is an amenable number.

4640137 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640137 is an equidigital number, since it uses as much as digits as its factorization.

4640137 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 25.

The square root of 4640137 is about 2154.0977229457. The cubic root of 4640137 is about 166.7926598414.

The spelling of 4640137 in words is "four million, six hundred forty thousand, one hundred thirty-seven".