138241463 has 16 divisors (see below), whose sum is σ = 147420000. Its totient is φ = 129400320.

The previous prime is 138241457. The next prime is 138241469. The reversal of 138241463 is 364142831.

It is an interprime number because it is at equal distance from previous prime (138241457) and next prime (138241469).

It is not a de Polignac number, because 138241463 - 2¹² = 138237367 is a prime.

It is a super-2 number, since 2×138241463² = 38221404184760738, 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 (138241469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276788 + ... + 277286.

It is an arithmetic number, because the mean of its divisors is an integer number (9213750).

Almost surely, 2^138241463 is an apocalyptic number.

138241463 is a deficient number, since it is larger than the sum of its proper divisors (9178537).

138241463 is a wasteful number, since it uses less digits than its factorization.

138241463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802.

The product of its digits is 13824, while the sum is 32.

The square root of 138241463 is about 11757.6129805331. The cubic root of 138241463 is about 517.0661496394.

The spelling of 138241463 in words is "one hundred thirty-eight million, two hundred forty-one thousand, four hundred sixty-three".