1331488146 has 16 divisors (see below), whose sum is σ = 2663748000. Its totient is φ = 443700768.

The previous prime is 1331488139. The next prime is 1331488159. The reversal of 1331488146 is 6418841331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8371 + ... + 52278.

It is an arithmetic number, because the mean of its divisors is an integer number (166484250).

Almost surely, 2^1331488146 is an apocalyptic number.

1331488146 is an abundant number, since it is smaller than the sum of its proper divisors (1332259854).

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

1331488146 is a wasteful number, since it uses less digits than its factorization.

1331488146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64313.

The product of its digits is 55296, while the sum is 39.

The square root of 1331488146 is about 36489.5621513879. The cubic root of 1331488146 is about 1100.1344590458.

The spelling of 1331488146 in words is "one billion, three hundred thirty-one million, four hundred eighty-eight thousand, one hundred forty-six".