1148909093 has 4 divisors (see below), whose sum is σ = 1176931308. Its totient is φ = 1120886880.

The previous prime is 1148909063. The next prime is 1148909101. The reversal of 1148909093 is 3909098411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 445969924 + 702939169 = 21118^2 + 26513^2 .

It is a cyclic number.

It is not a de Polignac number, because 1148909093 - 2¹⁸ = 1148646949 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 (1148909023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14011046 + ... + 14011127.

It is an arithmetic number, because the mean of its divisors is an integer number (294232827).

Almost surely, 2^1148909093 is an apocalyptic number.

It is an amenable number.

1148909093 is a deficient number, since it is larger than the sum of its proper divisors (28022215).

1148909093 is an equidigital number, since it uses as much as digits as its factorization.

1148909093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28022214.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 1148909093 is about 33895.5615531001. The cubic root of 1148909093 is about 1047.3581637633.

The spelling of 1148909093 in words is "one billion, one hundred forty-eight million, nine hundred nine thousand, ninety-three".