136769546987 has 8 divisors (see below), whose sum is σ = 138327520320. Its totient is φ = 135212045760.

The previous prime is 136769546959. The next prime is 136769546999. The reversal of 136769546987 is 789645967631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136769546987 - 2⁶ = 136769546923 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 136769546987.

It is not an unprimeable number, because it can be changed into a prime (136769543987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481937 + ... + 711197.

It is an arithmetic number, because the mean of its divisors is an integer number (17290940040).

Almost surely, 2^136769546987 is an apocalyptic number.

136769546987 is a deficient number, since it is larger than the sum of its proper divisors (1557973333).

136769546987 is an equidigital number, since it uses as much as digits as its factorization.

136769546987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236053.

The product of its digits is 411505920, while the sum is 71.

The spelling of 136769546987 in words is "one hundred thirty-six billion, seven hundred sixty-nine million, five hundred forty-six thousand, nine hundred eighty-seven".