136244410561 has 8 divisors (see below), whose sum is σ = 155710529280. Its totient is φ = 116778949728.

The previous prime is 136244410553. The next prime is 136244410633. The reversal of 136244410561 is 165014442631.

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

It is not a de Polignac number, because 136244410561 - 2³ = 136244410553 is a prime.

It is a super-2 number, since 2×136244410561² (a number of 23 digits) contains 22 as substring.

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 136244410561.

It is not an unprimeable number, because it can be changed into a prime (136244410361) 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, 415800 + ... + 667366.

It is an arithmetic number, because the mean of its divisors is an integer number (19463816160).

Almost surely, 2^136244410561 is an apocalyptic number.

It is an amenable number.

136244410561 is a deficient number, since it is larger than the sum of its proper divisors (19466118719).

136244410561 is an equidigital number, since it uses as much as digits as its factorization.

136244410561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328943.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 136244410561 in words is "one hundred thirty-six billion, two hundred forty-four million, four hundred ten thousand, five hundred sixty-one".