13940982002 has 4 divisors (see below), whose sum is σ = 20911473006. Its totient is φ = 6970491000.

The previous prime is 13940981959. The next prime is 13940982023. The reversal of 13940982002 is 20028904931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20028904931 = 7 ⋅2861272133.

It can be written as a sum of positive squares in only one way, i.e., 13462728841 + 478253161 = 116029^2 + 21869^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3485245499 + ... + 3485245502.

Almost surely, 2^13940982002 is an apocalyptic number.

13940982002 is a deficient number, since it is larger than the sum of its proper divisors (6970491004).

13940982002 is an equidigital number, since it uses as much as digits as its factorization.

13940982002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6970491003.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 13940982002 in words is "thirteen billion, nine hundred forty million, nine hundred eighty-two thousand, two".