136631603265 has 16 divisors (see below), whose sum is σ = 219082737408. Its totient is φ = 72712797696.

The previous prime is 136631603257. The next prime is 136631603347. The reversal of 136631603265 is 562306136631.

It is not a de Polignac number, because 136631603265 - 2³ = 136631603257 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9829744 + ... + 9843633.

It is an arithmetic number, because the mean of its divisors is an integer number (13692671088).

Almost surely, 2^136631603265 is an apocalyptic number.

136631603265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136631603265 is a deficient number, since it is larger than the sum of its proper divisors (82451134143).

136631603265 is a wasteful number, since it uses less digits than its factorization.

136631603265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19673848.

The product of its (nonzero) digits is 349920, while the sum is 42.

Adding to 136631603265 its reverse (562306136631), we get a palindrome (698937739896).

The spelling of 136631603265 in words is "one hundred thirty-six billion, six hundred thirty-one million, six hundred three thousand, two hundred sixty-five".