128356341 has 16 divisors (see below), whose sum is σ = 181756224. Its totient is φ = 80294144.

The previous prime is 128356339. The next prime is 128356357. The reversal of 128356341 is 143653821.

It is a cyclic number.

It is not a de Polignac number, because 128356341 - 2¹ = 128356339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128356321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14071 + ... + 21323.

It is an arithmetic number, because the mean of its divisors is an integer number (11359764).

Almost surely, 2^128356341 is an apocalyptic number.

It is an amenable number.

128356341 is a deficient number, since it is larger than the sum of its proper divisors (53399883).

128356341 is a wasteful number, since it uses less digits than its factorization.

128356341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7620.

The product of its digits is 17280, while the sum is 33.

The square root of 128356341 is about 11329.4457499032. The cubic root of 128356341 is about 504.4356549023.

The spelling of 128356341 in words is "one hundred twenty-eight million, three hundred fifty-six thousand, three hundred forty-one".