13506261142 has 16 divisors (see below), whose sum is σ = 22182718464. Its totient is φ = 6116553000.

The previous prime is 13506261121. The next prime is 13506261143. The reversal of 13506261142 is 24116260531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13506261143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1126734 + ... + 1138657.

It is an arithmetic number, because the mean of its divisors is an integer number (1386419904).

Almost surely, 2^13506261142 is an apocalyptic number.

13506261142 is a deficient number, since it is larger than the sum of its proper divisors (8676457322).

13506261142 is a wasteful number, since it uses less digits than its factorization.

13506261142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265675.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 13506261142 in words is "thirteen billion, five hundred six million, two hundred sixty-one thousand, one hundred forty-two".