138160463 has 4 divisors (see below), whose sum is σ = 157897680. Its totient is φ = 118423248.

The previous prime is 138160441. The next prime is 138160481. The reversal of 138160463 is 364061831.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138160463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138160483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9868598 + ... + 9868611.

It is an arithmetic number, because the mean of its divisors is an integer number (39474420).

Almost surely, 2^138160463 is an apocalyptic number.

138160463 is a deficient number, since it is larger than the sum of its proper divisors (19737217).

138160463 is an equidigital number, since it uses as much as digits as its factorization.

138160463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19737216.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 138160463 is about 11754.1678990901. The cubic root of 138160463 is about 516.9651414953.

The spelling of 138160463 in words is "one hundred thirty-eight million, one hundred sixty thousand, four hundred sixty-three".