1318040007 has 4 divisors (see below), whose sum is σ = 1757386680. Its totient is φ = 878693336.

The previous prime is 1318039973. The next prime is 1318040021. The reversal of 1318040007 is 7000408131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7000408131 = 3 ⋅2333469377.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1318040007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318042007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219673332 + ... + 219673337.

It is an arithmetic number, because the mean of its divisors is an integer number (439346670).

Almost surely, 2^1318040007 is an apocalyptic number.

1318040007 is a deficient number, since it is larger than the sum of its proper divisors (439346673).

1318040007 is an equidigital number, since it uses as much as digits as its factorization.

1318040007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439346672.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1318040007 is about 36304.8207129577. The cubic root of 1318040007 is about 1096.4181030309.

Adding to 1318040007 its reverse (7000408131), we get a palindrome (8318448138).

The spelling of 1318040007 in words is "one billion, three hundred eighteen million, forty thousand, seven".