34140032121 has 16 divisors (see below), whose sum is σ = 49169704640. Its totient is φ = 20945770560.

The previous prime is 34140032099. The next prime is 34140032137. The reversal of 34140032121 is 12123004143.

It is not a de Polignac number, because 34140032121 - 2¹⁴ = 34140015737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34140032921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1309426 + ... + 1335243.

It is an arithmetic number, because the mean of its divisors is an integer number (3073106540).

Almost surely, 2^34140032121 is an apocalyptic number.

It is an amenable number.

34140032121 is a deficient number, since it is larger than the sum of its proper divisors (15029672519).

34140032121 is a wasteful number, since it uses less digits than its factorization.

34140032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645016.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 34140032121 its reverse (12123004143), we get a palindrome (46263036264).

The spelling of 34140032121 in words is "thirty-four billion, one hundred forty million, thirty-two thousand, one hundred twenty-one".