29136342123 has 36 divisors (see below), whose sum is σ = 48981967320. Its totient is φ = 16640842176.

The previous prime is 29136342121. The next prime is 29136342139. The reversal of 29136342123 is 32124363192.

29136342123 is a `hidden beast` number, since 2 + 9 + 1 + 3 + 634 + 2 + 12 + 3 = 666.

It is not a de Polignac number, because 29136342123 - 2¹ = 29136342121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29136342121) 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 35 ways as a sum of consecutive naturals, for example, 905436 + ... + 937062.

Almost surely, 2^29136342123 is an apocalyptic number.

29136342123 is a deficient number, since it is larger than the sum of its proper divisors (19845625197).

29136342123 is a wasteful number, since it uses less digits than its factorization.

29136342123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33736 (or 33726 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The spelling of 29136342123 in words is "twenty-nine billion, one hundred thirty-six million, three hundred forty-two thousand, one hundred twenty-three".