138510130100 has 18 divisors (see below), whose sum is σ = 300566982534. Its totient is φ = 55404052000.

The previous prime is 138510130063. The next prime is 138510130111. The reversal of 138510130100 is 1031015831.

It can be written as a sum of positive squares in 3 ways, for example, as 2598544 + 138507531556 = 1612^2 + 372166^2 .

It is a super-2 number, since 2×138510130100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 692550551 + ... + 692550750.

Almost surely, 2^138510130100 is an apocalyptic number.

138510130100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138510130100 is an abundant number, since it is smaller than the sum of its proper divisors (162056852434).

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

138510130100 is a wasteful number, since it uses less digits than its factorization.

138510130100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385101315 (or 1385101308 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 138510130100 its reverse (1031015831), we get a palindrome (139541145931).

The spelling of 138510130100 in words is "one hundred thirty-eight billion, five hundred ten million, one hundred thirty thousand, one hundred".