103138888 has 8 divisors (see below), whose sum is σ = 193385430. Its totient is φ = 51569440.

The previous prime is 103138883. The next prime is 103138907. The reversal of 103138888 is 888831301.

It can be written as a sum of positive squares in only one way, i.e., 97653924 + 5484964 = 9882^2 + 2342^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 103138888.

It is not an unprimeable number, because it can be changed into a prime (103138883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6446173 + ... + 6446188.

Almost surely, 2^103138888 is an apocalyptic number.

It is an amenable number.

103138888 is a deficient number, since it is larger than the sum of its proper divisors (90246542).

103138888 is a wasteful number, since it uses less digits than its factorization.

103138888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12892367 (or 12892363 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 103138888 is about 10155.7317806252. The cubic root of 103138888 is about 468.9654140461.

The spelling of 103138888 in words is "one hundred three million, one hundred thirty-eight thousand, eight hundred eighty-eight".