10340139612 has 24 divisors (see below), whose sum is σ = 26320355712. Its totient is φ = 3133375600.

The previous prime is 10340139571. The next prime is 10340139613. The reversal of 10340139612 is 21693104301.

It is a self number, because there is not a number n which added to its sum of digits gives 10340139612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10340139613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39167064 + ... + 39167327.

It is an arithmetic number, because the mean of its divisors is an integer number (1096681488).

Almost surely, 2^10340139612 is an apocalyptic number.

10340139612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10340139612 is an abundant number, since it is smaller than the sum of its proper divisors (15980216100).

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

10340139612 is a wasteful number, since it uses less digits than its factorization.

10340139612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78334409 (or 78334407 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 10340139612 in words is "ten billion, three hundred forty million, one hundred thirty-nine thousand, six hundred twelve".