136655641 has 8 divisors (see below), whose sum is σ = 137808000. Its totient is φ = 135507792.

The previous prime is 136655633. The next prime is 136655647. The reversal of 136655641 is 146556631.

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

It is a cyclic number.

It is not a de Polignac number, because 136655641 - 2³ = 136655633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136655641.

It is not an unprimeable number, because it can be changed into a prime (136655647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85536 + ... + 87118.

It is an arithmetic number, because the mean of its divisors is an integer number (17226000).

Almost surely, 2^136655641 is an apocalyptic number.

It is an amenable number.

136655641 is a deficient number, since it is larger than the sum of its proper divisors (1152359).

136655641 is a wasteful number, since it uses less digits than its factorization.

136655641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255.

The product of its digits is 64800, while the sum is 37.

The square root of 136655641 is about 11689.9803678193. The cubic root of 136655641 is about 515.0813846938.

It can be divided in two parts, 13665 and 5641, that added together give a triangular number (19306 = T₁₉₆).

The spelling of 136655641 in words is "one hundred thirty-six million, six hundred fifty-five thousand, six hundred forty-one".