136548459 has 24 divisors (see below), whose sum is σ = 214323200. Its totient is φ = 83455920.

The previous prime is 136548449. The next prime is 136548473. The reversal of 136548459 is 954845631.

It is not a de Polignac number, because 136548459 - 2¹⁶ = 136482923 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136548449) 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, 7579 + ... + 18180.

Almost surely, 2^136548459 is an apocalyptic number.

136548459 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

136548459 is a deficient number, since it is larger than the sum of its proper divisors (77774741).

136548459 is a wasteful number, since it uses less digits than its factorization.

136548459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25815 (or 25812 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 136548459 is about 11685.3951152710. The cubic root of 136548459 is about 514.9466862836.

The spelling of 136548459 in words is "one hundred thirty-six million, five hundred forty-eight thousand, four hundred fifty-nine".