29140290138 has 64 divisors (see below), whose sum is σ = 63193806720. Its totient is φ = 8922396672.

The previous prime is 29140290119. The next prime is 29140290163. The reversal of 29140290138 is 83109204192.

It is a junction number, because it is equal to n+sod(n) for n = 29140290096 and 29140290105.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 9371328 + ... + 9374436.

It is an arithmetic number, because the mean of its divisors is an integer number (987403230).

Almost surely, 2^29140290138 is an apocalyptic number.

29140290138 is an abundant number, since it is smaller than the sum of its proper divisors (34053516582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29140290138 is a wasteful number, since it uses less digits than its factorization.

29140290138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5311.

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 29140290138 in words is "twenty-nine billion, one hundred forty million, two hundred ninety thousand, one hundred thirty-eight".