13181607142 has 24 divisors (see below), whose sum is σ = 22678247088. Its totient is φ = 5731131120.

The previous prime is 13181607041. The next prime is 13181607149. The reversal of 13181607142 is 24170618131.

It is a junction number, because it is equal to n+sod(n) for n = 13181607098 and 13181607107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13181607149) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1178553 + ... + 1189684.

It is an arithmetic number, because the mean of its divisors is an integer number (944926962).

Almost surely, 2^13181607142 is an apocalyptic number.

13181607142 is a deficient number, since it is larger than the sum of its proper divisors (9496639946).

13181607142 is a wasteful number, since it uses less digits than its factorization.

13181607142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368284 (or 2368273 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 13181607142 in words is "thirteen billion, one hundred eighty-one million, six hundred seven thousand, one hundred forty-two".