463440137 has 2 divisors, whose sum is σ = 463440138. Its totient is φ = 463440136.

The previous prime is 463440121. The next prime is 463440169. The reversal of 463440137 is 731044364.

It is an a-pointer prime, because the next prime (463440169) can be obtained adding 463440137 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 352538176 + 110901961 = 18776^2 + 10531^2 .

It is a cyclic number.

It is not a de Polignac number, because 463440137 - 2⁴ = 463440121 is a prime.

It is not a weakly prime, because it can be changed into another prime (463440037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231720068 + 231720069.

It is an arithmetic number, because the mean of its divisors is an integer number (231720069).

Almost surely, 2^463440137 is an apocalyptic number.

It is an amenable number.

463440137 is a deficient number, since it is larger than the sum of its proper divisors (1).

463440137 is an equidigital number, since it uses as much as digits as its factorization.

463440137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 463440137 is about 21527.6598124367. The cubic root of 463440137 is about 773.8638291563.

The spelling of 463440137 in words is "four hundred sixty-three million, four hundred forty thousand, one hundred thirty-seven".