136645363452 has 96 divisors (see below), whose sum is σ = 366781407552. Its totient is φ = 39221231616.

The previous prime is 136645363409. The next prime is 136645363513. The reversal of 136645363452 is 254363546631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71688 + ... + 527664.

It is an arithmetic number, because the mean of its divisors is an integer number (3820639662).

Almost surely, 2^136645363452 is an apocalyptic number.

136645363452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136645363452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183390703776).

136645363452 is an abundant number, since it is smaller than the sum of its proper divisors (230136044100).

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

136645363452 is a wasteful number, since it uses less digits than its factorization.

136645363452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456127 (or 456125 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 48.

The spelling of 136645363452 in words is "one hundred thirty-six billion, six hundred forty-five million, three hundred sixty-three thousand, four hundred fifty-two".