1354868491 has 4 divisors (see below), whose sum is σ = 1354972312. Its totient is φ = 1354764672.

The previous prime is 1354868453. The next prime is 1354868497. The reversal of 1354868491 is 1948684531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1354868491 - 2¹⁹ = 1354344203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1354868497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28950 + ... + 59563.

It is an arithmetic number, because the mean of its divisors is an integer number (338743078).

Almost surely, 2^1354868491 is an apocalyptic number.

1354868491 is a deficient number, since it is larger than the sum of its proper divisors (103821).

1354868491 is an equidigital number, since it uses as much as digits as its factorization.

1354868491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103820.

The product of its digits is 829440, while the sum is 49.

The square root of 1354868491 is about 36808.5382893698. The cubic root of 1354868491 is about 1106.5364241755.

The spelling of 1354868491 in words is "one billion, three hundred fifty-four million, eight hundred sixty-eight thousand, four hundred ninety-one".