136144511 has 2 divisors, whose sum is σ = 136144512. Its totient is φ = 136144510.

The previous prime is 136144507. The next prime is 136144537. The reversal of 136144511 is 115441631.

It is an a-pointer prime, because the next prime (136144537) can be obtained adding 136144511 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136144511 - 2² = 136144507 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136144111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68072255 + 68072256.

It is an arithmetic number, because the mean of its divisors is an integer number (68072256).

Almost surely, 2^136144511 is an apocalyptic number.

136144511 is a deficient number, since it is larger than the sum of its proper divisors (1).

136144511 is an equidigital number, since it uses as much as digits as its factorization.

136144511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 26.

The square root of 136144511 is about 11668.0980026738. The cubic root of 136144511 is about 514.4383999654.

The spelling of 136144511 in words is "one hundred thirty-six million, one hundred forty-four thousand, five hundred eleven".