13113245340 has 144 divisors (see below), whose sum is σ = 43748385408. Its totient is φ = 3159171072.

The previous prime is 13113245329. The next prime is 13113245351. The reversal of 13113245340 is 4354231131.

It is a happy number.

13113245340 is a `hidden beast` number, since 1 + 311 + 3 + 2 + 4 + 5 + 340 = 666.

It is an interprime number because it is at equal distance from previous prime (13113245329) and next prime (13113245351).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50364 + ... + 169596.

It is an arithmetic number, because the mean of its divisors is an integer number (303808232).

Almost surely, 2^13113245340 is an apocalyptic number.

13113245340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13113245340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21874192704).

13113245340 is an abundant number, since it is smaller than the sum of its proper divisors (30635140068).

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

13113245340 is a wasteful number, since it uses less digits than its factorization.

13113245340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119308 (or 119303 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 13113245340 its reverse (4354231131), we get a palindrome (17467476471).

The spelling of 13113245340 in words is "thirteen billion, one hundred thirteen million, two hundred forty-five thousand, three hundred forty".