13142505137 has 4 divisors (see below), whose sum is σ = 13144910196. Its totient is φ = 13140100080.

The previous prime is 13142505121. The next prime is 13142505199. The reversal of 13142505137 is 73150524131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12391251856 + 751253281 = 111316^2 + 27409^2 .

It is a cyclic number.

It is not a de Polignac number, because 13142505137 - 2⁴ = 13142505121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13102505137) 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 3 ways as a sum of consecutive naturals, for example, 1194314 + ... + 1205267.

It is an arithmetic number, because the mean of its divisors is an integer number (3286227549).

Almost surely, 2^13142505137 is an apocalyptic number.

It is an amenable number.

13142505137 is a deficient number, since it is larger than the sum of its proper divisors (2405059).

13142505137 is an equidigital number, since it uses as much as digits as its factorization.

13142505137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405058.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 13142505137 in words is "thirteen billion, one hundred forty-two million, five hundred five thousand, one hundred thirty-seven".