12940146493 has 8 divisors (see below), whose sum is σ = 13292752640. Its totient is φ = 12587691600.

The previous prime is 12940146491. The next prime is 12940146559. The reversal of 12940146493 is 39464104921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12940146493 - 2¹ = 12940146491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12940146491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147868 + ... + 218506.

It is an arithmetic number, because the mean of its divisors is an integer number (1661594080).

Almost surely, 2^12940146493 is an apocalyptic number.

It is an amenable number.

12940146493 is a deficient number, since it is larger than the sum of its proper divisors (352606147).

12940146493 is an equidigital number, since it uses as much as digits as its factorization.

12940146493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75627.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 12940146493 in words is "twelve billion, nine hundred forty million, one hundred forty-six thousand, four hundred ninety-three".