138607461463 has 2 divisors, whose sum is σ = 138607461464. Its totient is φ = 138607461462.

The previous prime is 138607461451. The next prime is 138607461511. The reversal of 138607461463 is 364164706831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138607461463 - 2²¹ = 138605364311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138607465463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69303730731 + 69303730732.

It is an arithmetic number, because the mean of its divisors is an integer number (69303730732).

Almost surely, 2^138607461463 is an apocalyptic number.

138607461463 is a deficient number, since it is larger than the sum of its proper divisors (1).

138607461463 is an equidigital number, since it uses as much as digits as its factorization.

138607461463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 138607461463 in words is "one hundred thirty-eight billion, six hundred seven million, four hundred sixty-one thousand, four hundred sixty-three".