102888540238 has 16 divisors (see below), whose sum is σ = 169217707824. Its totient is φ = 46530117760.

The previous prime is 102888540191. The next prime is 102888540247. The reversal of 102888540238 is 832045888201.

It is a junction number, because it is equal to n+sod(n) for n = 102888540191 and 102888540200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11865595 + ... + 11874262.

It is an arithmetic number, because the mean of its divisors is an integer number (10576106739).

Almost surely, 2^102888540238 is an apocalyptic number.

102888540238 is a deficient number, since it is larger than the sum of its proper divisors (66329167586).

102888540238 is a wasteful number, since it uses less digits than its factorization.

102888540238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23740067.

The product of its (nonzero) digits is 983040, while the sum is 49.

The spelling of 102888540238 in words is "one hundred two billion, eight hundred eighty-eight million, five hundred forty thousand, two hundred thirty-eight".