138002102 has 8 divisors (see below), whose sum is σ = 236575056. Its totient is φ = 59143752.

The previous prime is 138002087. The next prime is 138002129. The reversal of 138002102 is 201200831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4928633 + ... + 4928660.

It is an arithmetic number, because the mean of its divisors is an integer number (29571882).

Almost surely, 2^138002102 is an apocalyptic number.

138002102 is a deficient number, since it is larger than the sum of its proper divisors (98572954).

138002102 is an equidigital number, since it uses as much as digits as its factorization.

138002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9857302.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 138002102 is about 11747.4295911914. The cubic root of 138002102 is about 516.7675489908.

Adding to 138002102 its reverse (201200831), we get a palindrome (339202933).

The spelling of 138002102 in words is "one hundred thirty-eight million, two thousand, one hundred two".