136349393544 has 192 divisors, whose sum is σ = 458079498240. Its totient is φ = 35676910080.

The previous prime is 136349393539. The next prime is 136349393563. The reversal of 136349393544 is 445393943631.

136349393544 is a `hidden beast` number, since 1 + 3 + 6 + 3 + 4 + 9 + 3 + 93 + 544 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 750174 + ... + 914034.

It is an arithmetic number, because the mean of its divisors is an integer number (2385830720).

Almost surely, 2^136349393544 is an apocalyptic number.

136349393544 is a gapful number since it is divisible by the number (14) 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 136349393544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229039749120).

136349393544 is an abundant number, since it is smaller than the sum of its proper divisors (321730104696).

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

136349393544 is a wasteful number, since it uses less digits than its factorization.

136349393544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164020 (or 164013 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 54.

The spelling of 136349393544 in words is "one hundred thirty-six billion, three hundred forty-nine million, three hundred ninety-three thousand, five hundred forty-four".