13542146844 has 48 divisors (see below), whose sum is σ = 31741801728. Its totient is φ = 4493599488.

The previous prime is 13542146843. The next prime is 13542146861. The reversal of 13542146844 is 44864124531.

It is a super-2 number, since 2×13542146844² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13542146796 and 13542146805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13542146843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3002439 + ... + 3006945.

It is an arithmetic number, because the mean of its divisors is an integer number (661287536).

Almost surely, 2^13542146844 is an apocalyptic number.

It is an amenable number.

13542146844 is an abundant number, since it is smaller than the sum of its proper divisors (18199654884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13542146844 is a wasteful number, since it uses less digits than its factorization.

13542146844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594 (or 5592 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The spelling of 13542146844 in words is "thirteen billion, five hundred forty-two million, one hundred forty-six thousand, eight hundred forty-four".