13742542636 has 6 divisors (see below), whose sum is σ = 24049449620. Its totient is φ = 6871271316.

The previous prime is 13742542633. The next prime is 13742542643. The reversal of 13742542636 is 63624524731.

It is a junction number, because it is equal to n+sod(n) for n = 13742542592 and 13742542601.

It is not an unprimeable number, because it can be changed into a prime (13742542633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1717817826 + ... + 1717817833.

Almost surely, 2^13742542636 is an apocalyptic number.

It is an amenable number.

13742542636 is a deficient number, since it is larger than the sum of its proper divisors (10306906984).

13742542636 is a wasteful number, since it uses less digits than its factorization.

13742542636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435635663 (or 3435635661 counting only the distinct ones).

The product of its digits is 725760, while the sum is 43.

The spelling of 13742542636 in words is "thirteen billion, seven hundred forty-two million, five hundred forty-two thousand, six hundred thirty-six".