1090491513 has 8 divisors (see below), whose sum is σ = 1478632800. Its totient is φ = 714672288.

The previous prime is 1090491511. The next prime is 1090491517. The reversal of 1090491513 is 3151940901.

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

It is not a de Polignac number, because 1090491513 - 2¹ = 1090491511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1090491511) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3080308 + ... + 3080661.

It is an arithmetic number, because the mean of its divisors is an integer number (184829100).

Almost surely, 2^1090491513 is an apocalyptic number.

It is an amenable number.

1090491513 is a deficient number, since it is larger than the sum of its proper divisors (388141287).

1090491513 is an equidigital number, since it uses as much as digits as its factorization.

1090491513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6161031.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 1090491513 is about 33022.5909492275. The cubic root of 1090491513 is about 1029.2971335097.

The spelling of 1090491513 in words is "one billion, ninety million, four hundred ninety-one thousand, five hundred thirteen".