136744086945 has 8 divisors (see below), whose sum is σ = 218790539136. Its totient is φ = 72930179696.

The previous prime is 136744086943. The next prime is 136744086959. The reversal of 136744086945 is 549680447631.

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 136744086945 - 2¹ = 136744086943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136744086943) 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, 4558136217 + ... + 4558136246.

It is an arithmetic number, because the mean of its divisors is an integer number (27348817392).

Almost surely, 2^136744086945 is an apocalyptic number.

136744086945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136744086945 is a deficient number, since it is larger than the sum of its proper divisors (82046452191).

136744086945 is an equidigital number, since it uses as much as digits as its factorization.

136744086945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9116272471.

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 136744086945 in words is "one hundred thirty-six billion, seven hundred forty-four million, eighty-six thousand, nine hundred forty-five".