138043703 has 16 divisors (see below), whose sum is σ = 159667200. Its totient is φ = 116906496.

The previous prime is 138043693. The next prime is 138043733. The reversal of 138043703 is 307340831.

It is not a de Polignac number, because 138043703 - 2⁴ = 138043687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138043733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307223 + ... + 307671.

It is an arithmetic number, because the mean of its divisors is an integer number (9979200).

Almost surely, 2^138043703 is an apocalyptic number.

138043703 is a deficient number, since it is larger than the sum of its proper divisors (21623497).

138043703 is a wasteful number, since it uses less digits than its factorization.

138043703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 138043703 is about 11749.2001004324. The cubic root of 138043703 is about 516.8194706323.

The spelling of 138043703 in words is "one hundred thirty-eight million, forty-three thousand, seven hundred three".