138103735 has 16 divisors (see below), whose sum is σ = 206618112. Its totient is φ = 86090400.

The previous prime is 138103711. The next prime is 138103747. The reversal of 138103735 is 537301831.

It is a happy number.

It is not a de Polignac number, because 138103735 - 2⁷ = 138103607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138103697 and 138103706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178971 + ... + 179740.

It is an arithmetic number, because the mean of its divisors is an integer number (12913632).

Almost surely, 2^138103735 is an apocalyptic number.

138103735 is a deficient number, since it is larger than the sum of its proper divisors (68514377).

138103735 is a wasteful number, since it uses less digits than its factorization.

138103735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358734.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 138103735 is about 11751.7545498534. The cubic root of 138103735 is about 516.8943773693.

The spelling of 138103735 in words is "one hundred thirty-eight million, one hundred three thousand, seven hundred thirty-five".