13342120340 has 48 divisors (see below), whose sum is σ = 29510308800. Its totient is φ = 5053012992.

The previous prime is 13342120333. The next prime is 13342120343. The reversal of 13342120340 is 4302124331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13342120343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 708527 + ... + 727113.

It is an arithmetic number, because the mean of its divisors is an integer number (614798100).

Almost surely, 2^13342120340 is an apocalyptic number.

13342120340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13342120340 is an abundant number, since it is smaller than the sum of its proper divisors (16168188460).

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

13342120340 is a wasteful number, since it uses less digits than its factorization.

13342120340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20504 (or 20502 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13342120340 its reverse (4302124331), we get a palindrome (17644244671).

The spelling of 13342120340 in words is "thirteen billion, three hundred forty-two million, one hundred twenty thousand, three hundred forty".