1456691118 has 8 divisors (see below), whose sum is σ = 2913382248. Its totient is φ = 485563704.

The previous prime is 1456691113. The next prime is 1456691123. The reversal of 1456691118 is 8111966541.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1456691113) and next prime (1456691123).

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

1456691118 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1456691118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1456691113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121390921 + ... + 121390932.

It is an arithmetic number, because the mean of its divisors is an integer number (364172781).

Almost surely, 2^1456691118 is an apocalyptic number.

1456691118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1456691118 is a wasteful number, since it uses less digits than its factorization.

1456691118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242781858.

The product of its digits is 51840, while the sum is 42.

The square root of 1456691118 is about 38166.6230887670. The cubic root of 1456691118 is about 1133.5895248014.

The spelling of 1456691118 in words is "one billion, four hundred fifty-six million, six hundred ninety-one thousand, one hundred eighteen".