403040013 has 8 divisors (see below), whose sum is σ = 538416288. Its totient is φ = 268178544.

The previous prime is 403039997. The next prime is 403040023. The reversal of 403040013 is 310040304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 403040013 - 2⁴ = 403039997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 403039974 and 403040001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403040023) 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 7 ways as a sum of consecutive naturals, for example, 126870 + ... + 130007.

It is an arithmetic number, because the mean of its divisors is an integer number (67302036).

Almost surely, 2^403040013 is an apocalyptic number.

It is an amenable number.

403040013 is a deficient number, since it is larger than the sum of its proper divisors (135376275).

403040013 is a wasteful number, since it uses less digits than its factorization.

403040013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257403.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 403040013 is about 20075.8564698994. The cubic root of 403040013 is about 738.6681748350.

Adding to 403040013 its reverse (310040304), we get a palindrome (713080317).

The spelling of 403040013 in words is "four hundred three million, forty thousand, thirteen".