13421406734 has 16 divisors (see below), whose sum is σ = 20605052160. Its totient is φ = 6553128120.

The previous prime is 13421406731. The next prime is 13421406749. The reversal of 13421406734 is 43760412431.

It is a junction number, because it is equal to n+sod(n) for n = 13421406694 and 13421406703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421406731) 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, 417869 + ... + 448839.

It is an arithmetic number, because the mean of its divisors is an integer number (1287815760).

Almost surely, 2^13421406734 is an apocalyptic number.

13421406734 is a deficient number, since it is larger than the sum of its proper divisors (7183645426).

13421406734 is a wasteful number, since it uses less digits than its factorization.

13421406734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36055.

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 13421406734 in words is "thirteen billion, four hundred twenty-one million, four hundred six thousand, seven hundred thirty-four".