138701670054 has 16 divisors (see below), whose sum is σ = 277407182592. Its totient is φ = 46233249608.

The previous prime is 138701670053. The next prime is 138701670139. The reversal of 138701670054 is 450076107831.

It is a junction number, because it is equal to n+sod(n) for n = 138701669988 and 138701670015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138701670053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554527 + ... + 764789.

It is an arithmetic number, because the mean of its divisors is an integer number (17337948912).

Almost surely, 2^138701670054 is an apocalyptic number.

138701670054 is an abundant number, since it is smaller than the sum of its proper divisors (138705512538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138701670054 is a wasteful number, since it uses less digits than its factorization.

138701670054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320211.

The product of its (nonzero) digits is 141120, while the sum is 42.

Adding to 138701670054 its reverse (450076107831), we get a palindrome (588777777885).

The spelling of 138701670054 in words is "one hundred thirty-eight billion, seven hundred one million, six hundred seventy thousand, fifty-four".