136426651729 has 16 divisors (see below), whose sum is σ = 151076952000. Its totient is φ = 122674426560.

The previous prime is 136426651687. The next prime is 136426651747. The reversal of 136426651729 is 927156624631.

It is not a de Polignac number, because 136426651729 - 2²⁷ = 136292434001 is a prime.

It is a super-2 number, since 2×136426651729² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136426651789) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2065782 + ... + 2130799.

It is an arithmetic number, because the mean of its divisors is an integer number (9442309500).

Almost surely, 2^136426651729 is an apocalyptic number.

136426651729 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

136426651729 is a deficient number, since it is larger than the sum of its proper divisors (14650300271).

136426651729 is a wasteful number, since it uses less digits than its factorization.

136426651729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196688.

The product of its digits is 3265920, while the sum is 52.

The spelling of 136426651729 in words is "one hundred thirty-six billion, four hundred twenty-six million, six hundred fifty-one thousand, seven hundred twenty-nine".