138100387565430 has 64 divisors (see below), whose sum is σ = 368568819371520. Its totient is φ = 36796658097888.

The previous prime is 138100387565419. The next prime is 138100387565453. The reversal of 138100387565430 is 34565783001831.

138100387565430 is a `hidden beast` number, since 1 + 3 + 8 + 1 + 0 + 0 + 38 + 7 + 565 + 43 + 0 = 666.

138100387565430 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208779732 + ... + 209440151.

It is an arithmetic number, because the mean of its divisors is an integer number (5758887802680).

Almost surely, 2^{138100387565430} is an apocalyptic number.

138100387565430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138100387565430 is an abundant number, since it is smaller than the sum of its proper divisors (230468431806090).

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

138100387565430 is a wasteful number, since it uses less digits than its factorization.

138100387565430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418221122 (or 418221116 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 138100387565430 in words is "one hundred thirty-eight trillion, one hundred billion, three hundred eighty-seven million, five hundred sixty-five thousand, four hundred thirty".