1331139153863 has 8 divisors (see below), whose sum is σ = 1331674160256. Its totient is φ = 1330604263800.

The previous prime is 1331139153847. The next prime is 1331139153899. The reversal of 1331139153863 is 3683519311331.

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

It is a cyclic number.

It is not a de Polignac number, because 1331139153863 - 2⁴ = 1331139153847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331139153833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28005548 + ... + 28053038.

It is an arithmetic number, because the mean of its divisors is an integer number (166459270032).

Almost surely, 2^{1331139153863} is an apocalyptic number.

1331139153863 is a deficient number, since it is larger than the sum of its proper divisors (535006393).

1331139153863 is an equidigital number, since it uses as much as digits as its factorization.

1331139153863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58165.

The product of its digits is 524880, while the sum is 47.

The spelling of 1331139153863 in words is "one trillion, three hundred thirty-one billion, one hundred thirty-nine million, one hundred fifty-three thousand, eight hundred sixty-three".