136662345 has 24 divisors (see below), whose sum is σ = 249350400. Its totient is φ = 69050016.

The previous prime is 136662341. The next prime is 136662397. The reversal of 136662345 is 543266631.

It is not a de Polignac number, because 136662345 - 2² = 136662341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136662341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79065 + ... + 80774.

It is an arithmetic number, because the mean of its divisors is an integer number (10389600).

Almost surely, 2^136662345 is an apocalyptic number.

136662345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136662345 is a deficient number, since it is larger than the sum of its proper divisors (112688055).

136662345 is a wasteful number, since it uses less digits than its factorization.

136662345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159869 (or 159866 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 136662345 is about 11690.2671055883. The cubic root of 136662345 is about 515.0898074443.

The spelling of 136662345 in words is "one hundred thirty-six million, six hundred sixty-two thousand, three hundred forty-five".