1319551089 has 8 divisors (see below), whose sum is σ = 1760502720. Its totient is φ = 879150096.

The previous prime is 1319551087. The next prime is 1319551111. The reversal of 1319551089 is 9801559131.

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

It is not a de Polignac number, because 1319551089 - 2¹ = 1319551087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1319551089.

It is not an unprimeable number, because it can be changed into a prime (1319551081) 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, 132034 + ... + 141675.

It is an arithmetic number, because the mean of its divisors is an integer number (220062840).

Almost surely, 2^1319551089 is an apocalyptic number.

It is an amenable number.

1319551089 is a deficient number, since it is larger than the sum of its proper divisors (440951631).

1319551089 is a wasteful number, since it uses less digits than its factorization.

1319551089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275319.

The product of its (nonzero) digits is 48600, while the sum is 42.

The square root of 1319551089 is about 36325.6257895167. The cubic root of 1319551089 is about 1096.8369433570.

The spelling of 1319551089 in words is "one billion, three hundred nineteen million, five hundred fifty-one thousand, eighty-nine".