1331404134 has 16 divisors (see below), whose sum is σ = 2665449072. Its totient is φ = 443361248.

The previous prime is 1331404093. The next prime is 1331404163. The reversal of 1331404134 is 4314041331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103449 + ... + 115604.

It is an arithmetic number, because the mean of its divisors is an integer number (166590567).

Almost surely, 2^1331404134 is an apocalyptic number.

1331404134 is an abundant number, since it is smaller than the sum of its proper divisors (1334044938).

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

1331404134 is a wasteful number, since it uses less digits than its factorization.

1331404134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220071.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1331404134 is about 36488.4109547127. The cubic root of 1331404134 is about 1100.1113204144. Note that the first 3 decimals are identical.

Adding to 1331404134 its reverse (4314041331), we get a palindrome (5645445465).

The spelling of 1331404134 in words is "one billion, three hundred thirty-one million, four hundred four thousand, one hundred thirty-four".