13605212542 has 16 divisors (see below), whose sum is σ = 21493756800. Its totient is φ = 6441021720.

The previous prime is 13605212527. The next prime is 13605212581. The reversal of 13605212542 is 24521250631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28192 + ... + 167347.

It is an arithmetic number, because the mean of its divisors is an integer number (1343359800).

Almost surely, 2^13605212542 is an apocalyptic number.

13605212542 is a deficient number, since it is larger than the sum of its proper divisors (7888544258).

13605212542 is a wasteful number, since it uses less digits than its factorization.

13605212542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197391.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 13605212542 in words is "thirteen billion, six hundred five million, two hundred twelve thousand, five hundred forty-two".