136943137 has 2 divisors, whose sum is σ = 136943138. Its totient is φ = 136943136.

The previous prime is 136943129. The next prime is 136943141. The reversal of 136943137 is 731349631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112381201 + 24561936 = 10601^2 + 4956^2 .

It is a cyclic number.

It is not a de Polignac number, because 136943137 - 2³ = 136943129 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 136943096 and 136943105.

It is not a weakly prime, because it can be changed into another prime (136943117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68471568 + 68471569.

It is an arithmetic number, because the mean of its divisors is an integer number (68471569).

Almost surely, 2^136943137 is an apocalyptic number.

It is an amenable number.

136943137 is a deficient number, since it is larger than the sum of its proper divisors (1).

136943137 is an equidigital number, since it uses as much as digits as its factorization.

136943137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 37.

The square root of 136943137 is about 11702.2705916416. The cubic root of 136943137 is about 515.4423409184.

The spelling of 136943137 in words is "one hundred thirty-six million, nine hundred forty-three thousand, one hundred thirty-seven".