136134021405 has 32 divisors (see below), whose sum is σ = 233164454400. Its totient is φ = 67617675072.

The previous prime is 136134021403. The next prime is 136134021407. The reversal of 136134021405 is 504120431631.

It is an interprime number because it is at equal distance from previous prime (136134021403) and next prime (136134021407).

It is not a de Polignac number, because 136134021405 - 2¹ = 136134021403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136134021403) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4031179 + ... + 4064808.

It is an arithmetic number, because the mean of its divisors is an integer number (7286389200).

Almost surely, 2^136134021405 is an apocalyptic number.

136134021405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136134021405 is a deficient number, since it is larger than the sum of its proper divisors (97030432995).

136134021405 is a wasteful number, since it uses less digits than its factorization.

136134021405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8096073.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 136134021405 in words is "one hundred thirty-six billion, one hundred thirty-four million, twenty-one thousand, four hundred five".