39134339281 has 4 divisors (see below), whose sum is σ = 39135737200. Its totient is φ = 39132941364.

The previous prime is 39134339263. The next prime is 39134339357. The reversal of 39134339281 is 18293343193.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 39134339281 - 2⁵ = 39134339249 is a prime.

It is a super-2 number, since 2×39134339281² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39134339081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656091 + ... + 713248.

It is an arithmetic number, because the mean of its divisors is an integer number (9783934300).

Almost surely, 2^39134339281 is an apocalyptic number.

It is an amenable number.

39134339281 is a deficient number, since it is larger than the sum of its proper divisors (1397919).

39134339281 is a wasteful number, since it uses less digits than its factorization.

39134339281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397918.

The product of its digits is 419904, while the sum is 46.

The spelling of 39134339281 in words is "thirty-nine billion, one hundred thirty-four million, three hundred thirty-nine thousand, two hundred eighty-one".