1318453542 has 24 divisors (see below), whose sum is σ = 3264742416. Its totient is φ = 376700976.

The previous prime is 1318453517. The next prime is 1318453601. The reversal of 1318453542 is 2453548131.

1318453542 is a `hidden beast` number, since 1 + 3 + 1 + 84 + 535 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1318453497 and 1318453506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5231833 + ... + 5232084.

It is an arithmetic number, because the mean of its divisors is an integer number (136030934).

Almost surely, 2^1318453542 is an apocalyptic number.

1318453542 is an abundant number, since it is smaller than the sum of its proper divisors (1946288874).

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

1318453542 is a wasteful number, since it uses less digits than its factorization.

1318453542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10463932 (or 10463929 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 1318453542 is about 36310.5155843318. The cubic root of 1318453542 is about 1096.5327580862.

The spelling of 1318453542 in words is "one billion, three hundred eighteen million, four hundred fifty-three thousand, five hundred forty-two".