1353398641 has 8 divisors (see below), whose sum is σ = 1582712384. Its totient is φ = 1133077680.

The previous prime is 1353398639. The next prime is 1353398677. The reversal of 1353398641 is 1468933531.

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

It is not a de Polignac number, because 1353398641 - 2¹ = 1353398639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353398621) 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, 2247870 + ... + 2248471.

It is an arithmetic number, because the mean of its divisors is an integer number (197839048).

Almost surely, 2^1353398641 is an apocalyptic number.

It is an amenable number.

1353398641 is a deficient number, since it is larger than the sum of its proper divisors (229313743).

1353398641 is an equidigital number, since it uses as much as digits as its factorization.

1353398641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4496391.

The product of its digits is 233280, while the sum is 43.

The square root of 1353398641 is about 36788.5667157610. The cubic root of 1353398641 is about 1106.1361316783.

The spelling of 1353398641 in words is "one billion, three hundred fifty-three million, three hundred ninety-eight thousand, six hundred forty-one".