136020561612 has 96 divisors (see below), whose sum is σ = 358087747584. Its totient is φ = 39897792000.

The previous prime is 136020561587. The next prime is 136020561617. The reversal of 136020561612 is 216165020631.

It is not an unprimeable number, because it can be changed into a prime (136020561617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114112 + ... + 533912.

It is an arithmetic number, because the mean of its divisors is an integer number (3730080704).

Almost surely, 2^136020561612 is an apocalyptic number.

136020561612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136020561612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179043873792).

136020561612 is an abundant number, since it is smaller than the sum of its proper divisors (222067185972).

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

136020561612 is a wasteful number, since it uses less digits than its factorization.

136020561612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419919 (or 419917 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 136020561612 in words is "one hundred thirty-six billion, twenty million, five hundred sixty-one thousand, six hundred twelve".