1403345007 has 20 divisors (see below), whose sum is σ = 2147490576. Its totient is φ = 912742560.

The previous prime is 1403344979. The next prime is 1403345011. The reversal of 1403345007 is 7005433041.

It is not a de Polignac number, because 1403345007 - 2¹⁰ = 1403343983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403345017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 207963 + ... + 214604.

Almost surely, 2^1403345007 is an apocalyptic number.

1403345007 is a deficient number, since it is larger than the sum of its proper divisors (744145569).

1403345007 is an equidigital number, since it uses as much as digits as its factorization.

1403345007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422620 (or 422611 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 1403345007 is about 37461.2467357935. The cubic root of 1403345007 is about 1119.5791911366.

Adding to 1403345007 its reverse (7005433041), we get a palindrome (8408778048).

The spelling of 1403345007 in words is "one billion, four hundred three million, three hundred forty-five thousand, seven".