136223765 has 8 divisors (see below), whose sum is σ = 168741888. Its totient is φ = 105463440.

The previous prime is 136223761. The next prime is 136223777. The reversal of 136223765 is 567322631.

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

It is not a de Polignac number, because 136223765 - 2² = 136223761 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 (136223761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439277 + ... + 439586.

It is an arithmetic number, because the mean of its divisors is an integer number (21092736).

Almost surely, 2^136223765 is an apocalyptic number.

It is an amenable number.

136223765 is a deficient number, since it is larger than the sum of its proper divisors (32518123).

136223765 is an equidigital number, since it uses as much as digits as its factorization.

136223765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878899.

The product of its digits is 45360, while the sum is 35.

The square root of 136223765 is about 11671.4936918974. The cubic root of 136223765 is about 514.5382041901.

The spelling of 136223765 in words is "one hundred thirty-six million, two hundred twenty-three thousand, seven hundred sixty-five".