353136128641 has 8 divisors (see below), whose sum is σ = 362708372840. Its totient is φ = 343565359488.

The previous prime is 353136128621. The next prime is 353136128647. The reversal of 353136128641 is 146821631353.

It can be written as a sum of positive squares in 4 ways, for example, as 135924205041 + 217211923600 = 368679^2 + 466060^2 .

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-353136128641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (353136128647) 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, 125395 + ... + 849703.

It is an arithmetic number, because the mean of its divisors is an integer number (45338546605).

Almost surely, 2^353136128641 is an apocalyptic number.

It is an amenable number.

353136128641 is a deficient number, since it is larger than the sum of its proper divisors (9572244199).

353136128641 is a wasteful number, since it uses less digits than its factorization.

353136128641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737523.

The product of its digits is 311040, while the sum is 43.

Adding to 353136128641 its reverse (146821631353), we get a palindrome (499957759994).

The spelling of 353136128641 in words is "three hundred fifty-three billion, one hundred thirty-six million, one hundred twenty-eight thousand, six hundred forty-one".