136799071 has 4 divisors (see below), whose sum is σ = 137366944. Its totient is φ = 136231200.

The previous prime is 136799011. The next prime is 136799081. The reversal of 136799071 is 170997631.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136799071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136799011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283575 + ... + 284056.

It is an arithmetic number, because the mean of its divisors is an integer number (34341736).

Almost surely, 2^136799071 is an apocalyptic number.

136799071 is a deficient number, since it is larger than the sum of its proper divisors (567873).

136799071 is an equidigital number, since it uses as much as digits as its factorization.

136799071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567872.

The product of its (nonzero) digits is 71442, while the sum is 43.

The square root of 136799071 is about 11696.1134997913. The cubic root of 136799071 is about 515.2615267665.

The spelling of 136799071 in words is "one hundred thirty-six million, seven hundred ninety-nine thousand, seventy-one".