138169480935359 has 16 divisors (see below), whose sum is σ = 140928687389664. Its totient is φ = 135415963238400.

The previous prime is 138169480935347. The next prime is 138169480935391. The reversal of 138169480935359 is 953539084961831.

It is a cyclic number.

It is not a de Polignac number, because 138169480935359 - 2⁸ = 138169480935103 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 (138169480935559) 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, 288256124 + ... + 288735054.

It is an arithmetic number, because the mean of its divisors is an integer number (8808042961854).

Almost surely, 2^{138169480935359} is an apocalyptic number.

138169480935359 is a deficient number, since it is larger than the sum of its proper divisors (2759206454305).

138169480935359 is a wasteful number, since it uses less digits than its factorization.

138169480935359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484858.

The product of its (nonzero) digits is 755827200, while the sum is 74.

The spelling of 138169480935359 in words is "one hundred thirty-eight trillion, one hundred sixty-nine billion, four hundred eighty million, nine hundred thirty-five thousand, three hundred fifty-nine".