1353974547 has 4 divisors (see below), whose sum is σ = 1805299400. Its totient is φ = 902649696.

The previous prime is 1353974509. The next prime is 1353974549. The reversal of 1353974547 is 7454793531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7454793531 = 3 ⋅2484931177.

It is not a de Polignac number, because 1353974547 - 2¹⁴ = 1353958163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1353974496 and 1353974505.

It is not an unprimeable number, because it can be changed into a prime (1353974549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225662422 + ... + 225662427.

It is an arithmetic number, because the mean of its divisors is an integer number (451324850).

Almost surely, 2^1353974547 is an apocalyptic number.

1353974547 is a deficient number, since it is larger than the sum of its proper divisors (451324853).

1353974547 is an equidigital number, since it uses as much as digits as its factorization.

1353974547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451324852.

The product of its digits is 1587600, while the sum is 48.

The square root of 1353974547 is about 36796.3931248703. The cubic root of 1353974547 is about 1106.2930059058.

The spelling of 1353974547 in words is "one billion, three hundred fifty-three million, nine hundred seventy-four thousand, five hundred forty-seven".