136782511 has 2 divisors, whose sum is σ = 136782512. Its totient is φ = 136782510.

The previous prime is 136782491. The next prime is 136782517. The reversal of 136782511 is 115287631.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136782511 - 2⁷ = 136782383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136782517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68391255 + 68391256.

It is an arithmetic number, because the mean of its divisors is an integer number (68391256).

Almost surely, 2^136782511 is an apocalyptic number.

136782511 is a deficient number, since it is larger than the sum of its proper divisors (1).

136782511 is an equidigital number, since it uses as much as digits as its factorization.

136782511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

The square root of 136782511 is about 11695.4055508990. The cubic root of 136782511 is about 515.2407345317.

The spelling of 136782511 in words is "one hundred thirty-six million, seven hundred eighty-two thousand, five hundred eleven".