135976499 has 4 divisors (see below), whose sum is σ = 138869664. Its totient is φ = 133083336.

The previous prime is 135976481. The next prime is 135976543. The reversal of 135976499 is 994679531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135976499 - 2¹⁶ = 135910963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135976499.

It is not an unprimeable number, because it can be changed into a prime (135976439) 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 3 ways as a sum of consecutive naturals, for example, 1446512 + ... + 1446605.

It is an arithmetic number, because the mean of its divisors is an integer number (34717416).

Almost surely, 2^135976499 is an apocalyptic number.

135976499 is a deficient number, since it is larger than the sum of its proper divisors (2893165).

135976499 is an equidigital number, since it uses as much as digits as its factorization.

135976499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893164.

The product of its digits is 1837080, while the sum is 53.

The square root of 135976499 is about 11660.8961490959. The cubic root of 135976499 is about 514.2266950093.

The spelling of 135976499 in words is "one hundred thirty-five million, nine hundred seventy-six thousand, four hundred ninety-nine".