13528400542 has 12 divisors (see below), whose sum is σ = 20600009640. Its totient is φ = 6663237636.

The previous prime is 13528400537. The next prime is 13528400569. The reversal of 13528400542 is 24500482531.

It is a junction number, because it is equal to n+sod(n) for n = 13528400498 and 13528400507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 744442 + ... + 762397.

It is an arithmetic number, because the mean of its divisors is an integer number (1716667470).

Almost surely, 2^13528400542 is an apocalyptic number.

13528400542 is a deficient number, since it is larger than the sum of its proper divisors (7071609098).

13528400542 is an equidigital number, since it uses as much as digits as its factorization.

13528400542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506975 (or 1506908 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 13528400542 in words is "thirteen billion, five hundred twenty-eight million, four hundred thousand, five hundred forty-two".