138830825403 has 12 divisors (see below), whose sum is σ = 204800083488. Its totient is φ = 90584651760.

The previous prime is 138830825381. The next prime is 138830825411. The reversal of 138830825403 is 304528038831.

138830825403 is a `hidden beast` number, since 13 + 88 + 308 + 254 + 0 + 3 = 666.

It is not a de Polignac number, because 138830825403 - 2³³ = 130240890811 is a prime.

It is a super-2 number, since 2×138830825403² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (138830825423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164102208 + ... + 164103053.

It is an arithmetic number, because the mean of its divisors is an integer number (17066673624).

Almost surely, 2^138830825403 is an apocalyptic number.

138830825403 is a deficient number, since it is larger than the sum of its proper divisors (65969258085).

138830825403 is a wasteful number, since it uses less digits than its factorization.

138830825403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328205314 (or 328205311 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 138830825403 in words is "one hundred thirty-eight billion, eight hundred thirty million, eight hundred twenty-five thousand, four hundred three".