136640335510312 has 8 divisors (see below), whose sum is σ = 256200629081850. Its totient is φ = 68320167755152.

The previous prime is 136640335510271. The next prime is 136640335510331. The reversal of 136640335510312 is 213015533046631.

It can be written as a sum of positive squares in only one way, i.e., 126639776792356 + 10000558717956 = 11253434^2 + 3162366^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8540020969387 + ... + 8540020969402.

Almost surely, 2^{136640335510312} is an apocalyptic number.

It is an amenable number.

136640335510312 is a deficient number, since it is larger than the sum of its proper divisors (119560293571538).

136640335510312 is a wasteful number, since it uses less digits than its factorization.

136640335510312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17080041938795 (or 17080041938791 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 43.

Adding to 136640335510312 its reverse (213015533046631), we get a palindrome (349655868556943).

The spelling of 136640335510312 in words is "one hundred thirty-six trillion, six hundred forty billion, three hundred thirty-five million, five hundred ten thousand, three hundred twelve".