136044577 has 4 divisors (see below), whose sum is σ = 136097860. Its totient is φ = 135991296.

The previous prime is 136044569. The next prime is 136044583. The reversal of 136044577 is 775440631.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28901376 + 107143201 = 5376^2 + 10351^2 .

It is a cyclic number.

It is not a de Polignac number, because 136044577 - 2³ = 136044569 is a prime.

It is a super-2 number, since 2×136044577² = 37016253862217858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136044547) 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, 22608 + ... + 27985.

It is an arithmetic number, because the mean of its divisors is an integer number (34024465).

Almost surely, 2^136044577 is an apocalyptic number.

It is an amenable number.

136044577 is a deficient number, since it is larger than the sum of its proper divisors (53283).

136044577 is an equidigital number, since it uses as much as digits as its factorization.

136044577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53282.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 136044577 is about 11663.8148562124. The cubic root of 136044577 is about 514.3124982781.

It can be divided in two parts, 13604 and 4577, that added together give a palindrome (18181).

The spelling of 136044577 in words is "one hundred thirty-six million, forty-four thousand, five hundred seventy-seven".