12340641134 has 4 divisors (see below), whose sum is σ = 18510961704. Its totient is φ = 6170320566.

The previous prime is 12340641101. The next prime is 12340641143. The reversal of 12340641134 is 43114604321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43114604321 = 2441 ⋅17662681.

It is a junction number, because it is equal to n+sod(n) for n = 12340641097 and 12340641106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3085160282 + ... + 3085160285.

It is an arithmetic number, because the mean of its divisors is an integer number (4627740426).

Almost surely, 2^12340641134 is an apocalyptic number.

12340641134 is a deficient number, since it is larger than the sum of its proper divisors (6170320570).

12340641134 is an equidigital number, since it uses as much as digits as its factorization.

12340641134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6170320569.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 12340641134 in words is "twelve billion, three hundred forty million, six hundred forty-one thousand, one hundred thirty-four".