136487099 has 6 divisors (see below), whose sum is σ = 158770764. Its totient is φ = 116988900.

The previous prime is 136487081. The next prime is 136487149. The reversal of 136487099 is 990784631.

It is not a de Polignac number, because 136487099 - 2¹⁶ = 136421563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136487059) 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 5 ways as a sum of consecutive naturals, for example, 1392677 + ... + 1392774.

It is an arithmetic number, because the mean of its divisors is an integer number (26461794).

Almost surely, 2^136487099 is an apocalyptic number.

136487099 is a deficient number, since it is larger than the sum of its proper divisors (22283665).

136487099 is an equidigital number, since it uses as much as digits as its factorization.

136487099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785465 (or 2785458 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 136487099 is about 11682.7693206705. The cubic root of 136487099 is about 514.8695418448.

The spelling of 136487099 in words is "one hundred thirty-six million, four hundred eighty-seven thousand, ninety-nine".