128936383 has 2 divisors, whose sum is σ = 128936384. Its totient is φ = 128936382.

The previous prime is 128936359. The next prime is 128936393. The reversal of 128936383 is 383639821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128936383 - 2⁵ = 128936351 is a prime.

It is a super-2 number, since 2×128936383² = 33249181722245378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128936393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64468191 + 64468192.

It is an arithmetic number, because the mean of its divisors is an integer number (64468192).

Almost surely, 2^128936383 is an apocalyptic number.

128936383 is a deficient number, since it is larger than the sum of its proper divisors (1).

128936383 is an equidigital number, since it uses as much as digits as its factorization.

128936383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 43.

The square root of 128936383 is about 11355.0157639697. The cubic root of 128936383 is about 505.1943610257.

The spelling of 128936383 in words is "one hundred twenty-eight million, nine hundred thirty-six thousand, three hundred eighty-three".