13401429940 has 12 divisors (see below), whose sum is σ = 28143002916. Its totient is φ = 5360571968.

The previous prime is 13401429883. The next prime is 13401430019. The reversal of 13401429940 is 4992410431.

It can be written as a sum of positive squares in 2 ways, for example, as 3917007396 + 9484422544 = 62586^2 + 97388^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13401429940.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 335035729 + ... + 335035768.

It is an arithmetic number, because the mean of its divisors is an integer number (2345250243).

Almost surely, 2^13401429940 is an apocalyptic number.

13401429940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13401429940 is an abundant number, since it is smaller than the sum of its proper divisors (14741572976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13401429940 is a wasteful number, since it uses less digits than its factorization.

13401429940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670071506 (or 670071504 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 13401429940 in words is "thirteen billion, four hundred one million, four hundred twenty-nine thousand, nine hundred forty".