13421413402 has 8 divisors (see below), whose sum is σ = 21316362516. Its totient is φ = 6315959232.

The previous prime is 13421413391. The next prime is 13421413429. The reversal of 13421413402 is 20431412431.

It can be written as a sum of positive squares in 2 ways, for example, as 12766514121 + 654899281 = 112989^2 + 25591^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197373693 + ... + 197373760.

Almost surely, 2^13421413402 is an apocalyptic number.

13421413402 is a deficient number, since it is larger than the sum of its proper divisors (7894949114).

13421413402 is a wasteful number, since it uses less digits than its factorization.

13421413402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394747472.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13421413402 its reverse (20431412431), we get a palindrome (33852825833).

The spelling of 13421413402 in words is "thirteen billion, four hundred twenty-one million, four hundred thirteen thousand, four hundred two".