1090393745 has 8 divisors (see below), whose sum is σ = 1495397184. Its totient is φ = 747698544.

The previous prime is 1090393739. The next prime is 1090393747. The reversal of 1090393745 is 5473930901.

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 1090393745 - 2¹⁴ = 1090377361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090393747) 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, 15577019 + ... + 15577088.

It is an arithmetic number, because the mean of its divisors is an integer number (186924648).

Almost surely, 2^1090393745 is an apocalyptic number.

It is an amenable number.

1090393745 is a deficient number, since it is larger than the sum of its proper divisors (405003439).

1090393745 is an equidigital number, since it uses as much as digits as its factorization.

1090393745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31154119.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 1090393745 is about 33021.1105961020. The cubic root of 1090393745 is about 1029.2663720508.

The spelling of 1090393745 in words is "one billion, ninety million, three hundred ninety-three thousand, seven hundred forty-five".