1331536652542 has 8 divisors (see below), whose sum is σ = 2011674079800. Its totient is φ = 660978625944.

The previous prime is 1331536652503. The next prime is 1331536652557. The reversal of 1331536652542 is 2452566351331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1331536652492 and 1331536652501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2394849817 + ... + 2394850372.

It is an arithmetic number, because the mean of its divisors is an integer number (251459259975).

Almost surely, 2^{1331536652542} is an apocalyptic number.

1331536652542 is a deficient number, since it is larger than the sum of its proper divisors (680137427258).

1331536652542 is a wasteful number, since it uses less digits than its factorization.

1331536652542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4789700330.

The product of its digits is 1944000, while the sum is 46.

The spelling of 1331536652542 in words is "one trillion, three hundred thirty-one billion, five hundred thirty-six million, six hundred fifty-two thousand, five hundred forty-two".