136065991790 has 32 divisors (see below), whose sum is σ = 259841494080. Its totient is φ = 51122973184.

The previous prime is 136065991757. The next prime is 136065991811. The reversal of 136065991790 is 97199560631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710105 + ... + 881124.

It is an arithmetic number, because the mean of its divisors is an integer number (8120046690).

Almost surely, 2^136065991790 is an apocalyptic number.

136065991790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136065991790 is a deficient number, since it is larger than the sum of its proper divisors (123775502290).

136065991790 is a wasteful number, since it uses less digits than its factorization.

136065991790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591756.

The product of its (nonzero) digits is 2755620, while the sum is 56.

The spelling of 136065991790 in words is "one hundred thirty-six billion, sixty-five million, nine hundred ninety-one thousand, seven hundred ninety".