1330091238 has 32 divisors (see below), whose sum is σ = 3200221440. Its totient is φ = 360024480.

The previous prime is 1330091197. The next prime is 1330091249. The reversal of 1330091238 is 8321900331.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 832593 + ... + 834188.

It is an arithmetic number, because the mean of its divisors is an integer number (100006920).

Almost surely, 2^1330091238 is an apocalyptic number.

1330091238 is an abundant number, since it is smaller than the sum of its proper divisors (1870130202).

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

1330091238 is a wasteful number, since it uses less digits than its factorization.

1330091238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666812.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1330091238 is about 36470.4159285303. The cubic root of 1330091238 is about 1099.7495953437.

Adding to 1330091238 its reverse (8321900331), we get a palindrome (9651991569).

The spelling of 1330091238 in words is "one billion, three hundred thirty million, ninety-one thousand, two hundred thirty-eight".