136190447 has 2 divisors, whose sum is σ = 136190448. Its totient is φ = 136190446.

The previous prime is 136190441. The next prime is 136190459. The reversal of 136190447 is 744091631.

It is a weak prime.

It is an emirp because it is prime and its reverse (744091631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136190447 is a prime.

It is a super-3 number, since 3×136190447³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136190441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68095223 + 68095224.

It is an arithmetic number, because the mean of its divisors is an integer number (68095224).

Almost surely, 2^136190447 is an apocalyptic number.

136190447 is a deficient number, since it is larger than the sum of its proper divisors (1).

136190447 is an equidigital number, since it uses as much as digits as its factorization.

136190447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 136190447 is about 11670.0662808743. The cubic root of 136190447 is about 514.4962516919.

The spelling of 136190447 in words is "one hundred thirty-six million, one hundred ninety thousand, four hundred forty-seven".