1351718718 has 16 divisors (see below), whose sum is σ = 3089642880. Its totient is φ = 386205336.

The previous prime is 1351718707. The next prime is 1351718741. The reversal of 1351718718 is 8178171531.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 32183779 = 1351718718 / (1 + 3 + 5 + 1 + 7 + 1 + 8 + 7 + 1 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 1351718718.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16091848 + ... + 16091931.

It is an arithmetic number, because the mean of its divisors is an integer number (193102680).

Almost surely, 2^1351718718 is an apocalyptic number.

1351718718 is an abundant number, since it is smaller than the sum of its proper divisors (1737924162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1351718718 is a wasteful number, since it uses less digits than its factorization.

1351718718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32183791.

The product of its digits is 47040, while the sum is 42.

The square root of 1351718718 is about 36765.7274917823. The cubic root of 1351718718 is about 1105.6782737467.

The spelling of 1351718718 in words is "one billion, three hundred fifty-one million, seven hundred eighteen thousand, seven hundred eighteen".