136432687 has 2 divisors, whose sum is σ = 136432688. Its totient is φ = 136432686.

The previous prime is 136432657. The next prime is 136432717. The reversal of 136432687 is 786234631.

It is a balanced prime because it is at equal distance from previous prime (136432657) and next prime (136432717).

It is a cyclic number.

It is not a de Polignac number, because 136432687 - 2¹⁵ = 136399919 is a prime.

It is a super-2 number, since 2×136432687² = 37227756164079938, which contains 22 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 (136432607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68216343 + 68216344.

It is an arithmetic number, because the mean of its divisors is an integer number (68216344).

Almost surely, 2^136432687 is an apocalyptic number.

136432687 is a deficient number, since it is larger than the sum of its proper divisors (1).

136432687 is an equidigital number, since it uses as much as digits as its factorization.

136432687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 40.

The square root of 136432687 is about 11680.4403598495. The cubic root of 136432687 is about 514.8011133868.

The spelling of 136432687 in words is "one hundred thirty-six million, four hundred thirty-two thousand, six hundred eighty-seven".