355136443 has 4 divisors (see below), whose sum is σ = 376026840. Its totient is φ = 334246048.

The previous prime is 355136401. The next prime is 355136461. The reversal of 355136443 is 344631553.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355136443 is a prime.

It is a super-2 number, since 2×355136443² = 252243786293384498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 355136399 and 355136408.

It is not an unprimeable number, because it can be changed into a prime (355136473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10445173 + ... + 10445206.

It is an arithmetic number, because the mean of its divisors is an integer number (94006710).

Almost surely, 2^355136443 is an apocalyptic number.

355136443 is a deficient number, since it is larger than the sum of its proper divisors (20890397).

355136443 is a wasteful number, since it uses less digits than its factorization.

355136443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20890396.

The product of its digits is 64800, while the sum is 34.

The square root of 355136443 is about 18845.0641548391. The cubic root of 355136443 is about 708.1605782101.

Adding to 355136443 its reverse (344631553), we get a palindrome (699767996).

The spelling of 355136443 in words is "three hundred fifty-five million, one hundred thirty-six thousand, four hundred forty-three".