1463138959 has 4 divisors (see below), whose sum is σ = 1463468104. Its totient is φ = 1462809816.

The previous prime is 1463138953. The next prime is 1463138977. The reversal of 1463138959 is 9598313641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1463138959 - 2²⁹ = 926268047 is a prime.

It is a super-2 number, since 2×1463138959² = 4281551226687207362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1463138953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157812 + ... + 166825.

It is an arithmetic number, because the mean of its divisors is an integer number (365867026).

Almost surely, 2^1463138959 is an apocalyptic number.

1463138959 is a deficient number, since it is larger than the sum of its proper divisors (329145).

1463138959 is an equidigital number, since it uses as much as digits as its factorization.

1463138959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329144.

The product of its digits is 699840, while the sum is 49.

The square root of 1463138959 is about 38250.9994509947. Note that the first 3 decimals coincide. The cubic root of 1463138959 is about 1135.2596219536.

The spelling of 1463138959 in words is "one billion, four hundred sixty-three million, one hundred thirty-eight thousand, nine hundred fifty-nine".