136419197 has 2 divisors, whose sum is σ = 136419198. Its totient is φ = 136419196.

The previous prime is 136419181. The next prime is 136419211. The reversal of 136419197 is 791914631.

136419197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116402521 + 20016676 = 10789^2 + 4474^2 .

It is a cyclic number.

It is not a de Polignac number, because 136419197 - 2⁴ = 136419181 is a prime.

It is a super-2 number, since 2×136419197² = 37220394620249618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136419167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68209598 + 68209599.

It is an arithmetic number, because the mean of its divisors is an integer number (68209599).

Almost surely, 2^136419197 is an apocalyptic number.

It is an amenable number.

136419197 is a deficient number, since it is larger than the sum of its proper divisors (1).

136419197 is an equidigital number, since it uses as much as digits as its factorization.

136419197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 41.

The square root of 136419197 is about 11679.8628844691. The cubic root of 136419197 is about 514.7841455665.

The spelling of 136419197 in words is "one hundred thirty-six million, four hundred nineteen thousand, one hundred ninety-seven".