13640137430 has 64 divisors (see below), whose sum is σ = 26842752000. Its totient is φ = 4972981248.

The previous prime is 13640137421. The next prime is 13640137499. The reversal of 13640137430 is 3473104631.

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 31 ways as a sum of consecutive naturals, for example, 513926 + ... + 539814.

It is an arithmetic number, because the mean of its divisors is an integer number (419418000).

Almost surely, 2^13640137430 is an apocalyptic number.

13640137430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13640137430 is a deficient number, since it is larger than the sum of its proper divisors (13202614570).

13640137430 is a wasteful number, since it uses less digits than its factorization.

13640137430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26021.

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 13640137430 in words is "thirteen billion, six hundred forty million, one hundred thirty-seven thousand, four hundred thirty".