403138005 has 32 divisors (see below), whose sum is σ = 652935168. Its totient is φ = 212385600.

The previous prime is 403138003. The next prime is 403138013. The reversal of 403138005 is 500831304.

It is not a de Polignac number, because 403138005 - 2¹ = 403138003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403138003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 820810 + ... + 821300.

It is an arithmetic number, because the mean of its divisors is an integer number (20404224).

Almost surely, 2^403138005 is an apocalyptic number.

It is an amenable number.

403138005 is a deficient number, since it is larger than the sum of its proper divisors (249797163).

403138005 is a wasteful number, since it uses less digits than its factorization.

403138005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 403138005 is about 20078.2968650232. The cubic root of 403138005 is about 738.7280346537.

Adding to 403138005 its reverse (500831304), we get a palindrome (903969309).

The spelling of 403138005 in words is "four hundred three million, one hundred thirty-eight thousand, five".