1354868539 has 4 divisors (see below), whose sum is σ = 1373428456. Its totient is φ = 1336308624.

The previous prime is 1354868519. The next prime is 1354868563. The reversal of 1354868539 is 9358684531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9358684531 = 7 ⋅1336954933.

It is a cyclic number.

It is not a de Polignac number, because 1354868539 - 2⁹ = 1354868027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1354868509) 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, 9279849 + ... + 9279994.

It is an arithmetic number, because the mean of its divisors is an integer number (343357114).

Almost surely, 2^1354868539 is an apocalyptic number.

1354868539 is a deficient number, since it is larger than the sum of its proper divisors (18559917).

1354868539 is an equidigital number, since it uses as much as digits as its factorization.

1354868539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18559916.

The product of its digits is 3110400, while the sum is 52.

The square root of 1354868539 is about 36808.5389413924. The cubic root of 1354868539 is about 1106.5364372429.

The spelling of 1354868539 in words is "one billion, three hundred fifty-four million, eight hundred sixty-eight thousand, five hundred thirty-nine".