1353454709 has 8 divisors (see below), whose sum is σ = 1391494488. Its totient is φ = 1315491840.

The previous prime is 1353454703. The next prime is 1353454717. The reversal of 1353454709 is 9074543531.

It can be written as a sum of positive squares in 4 ways, for example, as 832611025 + 520843684 = 28855^2 + 22822^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1353454709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353454703) 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 7 ways as a sum of consecutive naturals, for example, 17429 + ... + 54869.

It is an arithmetic number, because the mean of its divisors is an integer number (173936811).

Almost surely, 2^1353454709 is an apocalyptic number.

It is an amenable number.

1353454709 is a deficient number, since it is larger than the sum of its proper divisors (38039779).

1353454709 is an equidigital number, since it uses as much as digits as its factorization.

1353454709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38455.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 1353454709 is about 36789.3287381001. The cubic root of 1353454709 is about 1106.1514063067.

The spelling of 1353454709 in words is "one billion, three hundred fifty-three million, four hundred fifty-four thousand, seven hundred nine".