1328717542 has 16 divisors (see below), whose sum is σ = 2051039232. Its totient is φ = 645253960.

The previous prime is 1328717539. The next prime is 1328717573. The reversal of 1328717542 is 2457178231.

It is a junction number, because it is equal to n+sod(n) for n = 1328717495 and 1328717504.

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, 41638 + ... + 66265.

It is an arithmetic number, because the mean of its divisors is an integer number (128189952).

Almost surely, 2^1328717542 is an apocalyptic number.

1328717542 is a deficient number, since it is larger than the sum of its proper divisors (722321690).

1328717542 is a wasteful number, since it uses less digits than its factorization.

1328717542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108083.

The product of its digits is 94080, while the sum is 40.

The square root of 1328717542 is about 36451.5780454015. The cubic root of 1328717542 is about 1099.3708639308.

The spelling of 1328717542 in words is "one billion, three hundred twenty-eight million, seven hundred seventeen thousand, five hundred forty-two".