136661303536 has 20 divisors (see below), whose sum is σ = 280356645312. Its totient is φ = 64311201536.

The previous prime is 136661303503. The next prime is 136661303549. The reversal of 136661303536 is 635303166631.

It is a super-2 number, since 2×136661303536² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136661303492 and 136661303501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251215360 + ... + 251215903.

Almost surely, 2^136661303536 is an apocalyptic number.

136661303536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136661303536 is an abundant number, since it is smaller than the sum of its proper divisors (143695341776).

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

136661303536 is a wasteful number, since it uses less digits than its factorization.

136661303536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502431288 (or 502431282 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 43.

The spelling of 136661303536 in words is "one hundred thirty-six billion, six hundred sixty-one million, three hundred three thousand, five hundred thirty-six".