136597779559968 has 48 divisors (see below), whose sum is σ = 358571303949600. Its totient is φ = 45532322379776.

The previous prime is 136597779559937. The next prime is 136597779559973. The reversal of 136597779559968 is 869955977795631.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×136597779559968² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (96).

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 7 ways as a sum of consecutive naturals, for example, 12329683 + ... + 20620781.

It is an arithmetic number, because the mean of its divisors is an integer number (7470235498950).

Almost surely, 2^{136597779559968} is an apocalyptic number.

It is an amenable number.

136597779559968 is an abundant number, since it is smaller than the sum of its proper divisors (221973524389632).

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

136597779559968 is a wasteful number, since it uses less digits than its factorization.

136597779559968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8462729 (or 8462721 counting only the distinct ones).

The product of its digits is 243045684000, while the sum is 96.

The spelling of 136597779559968 in words is "one hundred thirty-six trillion, five hundred ninety-seven billion, seven hundred seventy-nine million, five hundred fifty-nine thousand, nine hundred sixty-eight".