136440412031344 has 20 divisors (see below), whose sum is σ = 264379274188624. Its totient is φ = 68213502563328.

The previous prime is 136440412031293. The next prime is 136440412031351. The reversal of 136440412031344 is 443130214044631.

It is a junction number, because it is equal to n+sod(n) for n = 136440412031297 and 136440412031306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418797852 + ... + 419123515.

Almost surely, 2^{136440412031344} is an apocalyptic number.

It is an amenable number.

136440412031344 is a deficient number, since it is larger than the sum of its proper divisors (127938862157280).

136440412031344 is a wasteful number, since it uses less digits than its factorization.

136440412031344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837931552 (or 837931546 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

Adding to 136440412031344 its reverse (443130214044631), we get a palindrome (579570626075975).

The spelling of 136440412031344 in words is "one hundred thirty-six trillion, four hundred forty billion, four hundred twelve million, thirty-one thousand, three hundred forty-four".