1353234643 has 8 divisors (see below), whose sum is σ = 1390626720. Its totient is φ = 1316051520.

The previous prime is 1353234611. The next prime is 1353234667. The reversal of 1353234643 is 3464323531.

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

It is a cyclic number.

It is not a de Polignac number, because 1353234643 - 2⁵ = 1353234611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1353234599 and 1353234608.

It is not an unprimeable number, because it can be changed into a prime (1353234343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39063 + ... + 65056.

It is an arithmetic number, because the mean of its divisors is an integer number (173828340).

Almost surely, 2^1353234643 is an apocalyptic number.

1353234643 is a deficient number, since it is larger than the sum of its proper divisors (37392077).

1353234643 is a wasteful number, since it uses less digits than its factorization.

1353234643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104477.

The product of its digits is 77760, while the sum is 34.

The square root of 1353234643 is about 36786.3377220402. The cubic root of 1353234643 is about 1106.0914512135.

The spelling of 1353234643 in words is "one billion, three hundred fifty-three million, two hundred thirty-four thousand, six hundred forty-three".