1148489089639 has 8 divisors (see below), whose sum is σ = 1150273132272. Its totient is φ = 1146705640320.

The previous prime is 1148489089637. The next prime is 1148489089691. The reversal of 1148489089639 is 9369809848411.

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 1148489089639 - 2¹ = 1148489089637 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 (1148489089637) by changing a digit.

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, 3807804 + ... + 4098334.

It is an arithmetic number, because the mean of its divisors is an integer number (143784141534).

Almost surely, 2^{1148489089639} is an apocalyptic number.

1148489089639 is a deficient number, since it is larger than the sum of its proper divisors (1784042633).

1148489089639 is an equidigital number, since it uses as much as digits as its factorization.

1148489089639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296657.

The product of its (nonzero) digits is 107495424, while the sum is 70.

The spelling of 1148489089639 in words is "one trillion, one hundred forty-eight billion, four hundred eighty-nine million, eighty-nine thousand, six hundred thirty-nine".