136805862 has 16 divisors (see below), whose sum is σ = 275002992. Its totient is φ = 45370080.

The previous prime is 136805843. The next prime is 136805881. The reversal of 136805862 is 268508631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (136805843) and next prime (136805881).

It is a self number, because there is not a number n which added to its sum of digits gives 136805862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56689 + ... + 59052.

It is an arithmetic number, because the mean of its divisors is an integer number (17187687).

Almost surely, 2^136805862 is an apocalyptic number.

136805862 is an abundant number, since it is smaller than the sum of its proper divisors (138197130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136805862 is a wasteful number, since it uses less digits than its factorization.

136805862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115943.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 136805862 is about 11696.4038062988. The cubic root of 136805862 is about 515.2700528554.

The spelling of 136805862 in words is "one hundred thirty-six million, eight hundred five thousand, eight hundred sixty-two".