135396499 has 8 divisors (see below), whose sum is σ = 159730688. Its totient is φ = 112310280.

The previous prime is 135396493. The next prime is 135396509. The reversal of 135396499 is 994693531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135396499 - 2⁵ = 135396467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135396493) 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 in 7 ways as a sum of consecutive naturals, for example, 311757 + ... + 312190.

It is an arithmetic number, because the mean of its divisors is an integer number (19966336).

Almost surely, 2^135396499 is an apocalyptic number.

135396499 is a deficient number, since it is larger than the sum of its proper divisors (24334189).

135396499 is an equidigital number, since it uses as much as digits as its factorization.

135396499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623985.

The product of its digits is 787320, while the sum is 49.

The square root of 135396499 is about 11636.0001289103. Note that the first 3 decimals coincide. The cubic root of 135396499 is about 513.4945181226.

The spelling of 135396499 in words is "one hundred thirty-five million, three hundred ninety-six thousand, four hundred ninety-nine".