138092403 has 16 divisors (see below), whose sum is σ = 190955520. Its totient is φ = 88661664.

The previous prime is 138092363. The next prime is 138092407. The reversal of 138092403 is 304290831.

It is not a de Polignac number, because 138092403 - 2¹⁴ = 138076019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138092407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36750 + ... + 40332.

It is an arithmetic number, because the mean of its divisors is an integer number (11934720).

Almost surely, 2^138092403 is an apocalyptic number.

138092403 is a deficient number, since it is larger than the sum of its proper divisors (52863117).

138092403 is a wasteful number, since it uses less digits than its factorization.

138092403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 138092403 is about 11751.2723991915. The cubic root of 138092403 is about 516.8802391871.

The spelling of 138092403 in words is "one hundred thirty-eight million, ninety-two thousand, four hundred three".