720183137 has 2 divisors, whose sum is σ = 720183138. Its totient is φ = 720183136.

The previous prime is 720183131. The next prime is 720183143. The reversal of 720183137 is 731381027.

It is a balanced prime because it is at equal distance from previous prime (720183131) and next prime (720183143).

It can be written as a sum of positive squares in only one way, i.e., 664814656 + 55368481 = 25784^2 + 7441^2 .

It is a cyclic number.

It is not a de Polignac number, because 720183137 - 2¹⁴ = 720166753 is a prime.

It is not a weakly prime, because it can be changed into another prime (720183131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360091568 + 360091569.

It is an arithmetic number, because the mean of its divisors is an integer number (360091569).

Almost surely, 2^720183137 is an apocalyptic number.

It is an amenable number.

720183137 is a deficient number, since it is larger than the sum of its proper divisors (1).

720183137 is an equidigital number, since it uses as much as digits as its factorization.

720183137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 720183137 is about 26836.2280695332. The cubic root of 720183137 is about 896.3569346305.

The spelling of 720183137 in words is "seven hundred twenty million, one hundred eighty-three thousand, one hundred thirty-seven".