136660583745 has 72 divisors (see below), whose sum is σ = 275652995904. Its totient is φ = 62450595648.

The previous prime is 136660583723. The next prime is 136660583747. The reversal of 136660583745 is 547385066631.

It is not a de Polignac number, because 136660583745 - 2¹⁴ = 136660567361 is a prime.

It is a super-2 number, since 2×136660583745² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136660583691 and 136660583700.

It is not an unprimeable number, because it can be changed into a prime (136660583747) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7017612 + ... + 7037058.

It is an arithmetic number, because the mean of its divisors is an integer number (3828513832).

Almost surely, 2^136660583745 is an apocalyptic number.

136660583745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136660583745 is an abundant number, since it is smaller than the sum of its proper divisors (138992412159).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136660583745 is a wasteful number, since it uses less digits than its factorization.

136660583745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22659 (or 22649 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 136660583745 in words is "one hundred thirty-six billion, six hundred sixty million, five hundred eighty-three thousand, seven hundred forty-five".