136981412099 has 32 divisors (see below), whose sum is σ = 166097817600. Its totient is φ = 110467566720.

The previous prime is 136981412081. The next prime is 136981412111. The reversal of 136981412099 is 990214189631.

It is a Cunningham number, because it is equal to 370110²-1.

It is not a de Polignac number, because 136981412099 - 2³⁶ = 68261935363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136981412099.

It is not an unprimeable number, because it can be changed into a prime (136981412039) 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, 11467472 + ... + 11479410.

It is an arithmetic number, because the mean of its divisors is an integer number (5190556800).

Almost surely, 2^136981412099 is an apocalyptic number.

136981412099 is a deficient number, since it is larger than the sum of its proper divisors (29116405501).

136981412099 is a wasteful number, since it uses less digits than its factorization.

136981412099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13443.

The product of its (nonzero) digits is 839808, while the sum is 53.

The spelling of 136981412099 in words is "one hundred thirty-six billion, nine hundred eighty-one million, four hundred twelve thousand, ninety-nine".