102753638 has 16 divisors (see below), whose sum is σ = 166153680. Its totient is φ = 47377056.

The previous prime is 102753613. The next prime is 102753671. The reversal of 102753638 is 836357201.

It is a junction number, because it is equal to n+sod(n) for n = 102753598 and 102753607.

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, 50456 + ... + 52452.

It is an arithmetic number, because the mean of its divisors is an integer number (10384605).

Almost surely, 2^102753638 is an apocalyptic number.

102753638 is a deficient number, since it is larger than the sum of its proper divisors (63400042).

102753638 is a wasteful number, since it uses less digits than its factorization.

102753638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3991.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 102753638 is about 10136.7469140746. The cubic root of 102753638 is about 468.3807837954.

The spelling of 102753638 in words is "one hundred two million, seven hundred fifty-three thousand, six hundred thirty-eight".