138732975169263 has 12 divisors (see below), whose sum is σ = 200418090153840. Its totient is φ = 92476643231616.

The previous prime is 138732975169219. The next prime is 138732975169307. The reversal of 138732975169263 is 362961579237831.

138732975169263 is a `hidden beast` number, since 1 + 3 + 8 + 73 + 297 + 5 + 1 + 6 + 9 + 263 = 666.

It is an interprime number because it is at equal distance from previous prime (138732975169219) and next prime (138732975169307).

It is not a de Polignac number, because 138732975169263 - 2¹⁶ = 138732975103727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138732975169191 and 138732975169200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138732975169363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1000500258 + ... + 1000638911.

It is an arithmetic number, because the mean of its divisors is an integer number (16701507512820).

Almost surely, 2^{138732975169263} is an apocalyptic number.

138732975169263 is a deficient number, since it is larger than the sum of its proper divisors (61685114984577).

138732975169263 is a wasteful number, since it uses less digits than its factorization.

138732975169263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001146878 (or 2001146875 counting only the distinct ones).

The product of its digits is 617258880, while the sum is 72.

The spelling of 138732975169263 in words is "one hundred thirty-eight trillion, seven hundred thirty-two billion, nine hundred seventy-five million, one hundred sixty-nine thousand, two hundred sixty-three".