136955443 has 2 divisors, whose sum is σ = 136955444. Its totient is φ = 136955442.

The previous prime is 136955407. The next prime is 136955447. The reversal of 136955443 is 344559631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136955443 - 2²¹ = 134858291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136955396 and 136955405.

It is not a weakly prime, because it can be changed into another prime (136955447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68477721 + 68477722.

It is an arithmetic number, because the mean of its divisors is an integer number (68477722).

Almost surely, 2^136955443 is an apocalyptic number.

136955443 is a deficient number, since it is larger than the sum of its proper divisors (1).

136955443 is an equidigital number, since it uses as much as digits as its factorization.

136955443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 40.

The square root of 136955443 is about 11702.7963752259. The cubic root of 136955443 is about 515.4577800357.

The spelling of 136955443 in words is "one hundred thirty-six million, nine hundred fifty-five thousand, four hundred forty-three".