1090213786 has 16 divisors (see below), whose sum is σ = 1672350336. Its totient is φ = 532794816.

The previous prime is 1090213781. The next prime is 1090213793. The reversal of 1090213786 is 6873120901.

It is not an unprimeable number, because it can be changed into a prime (1090213781) 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, 66610 + ... + 81346.

It is an arithmetic number, because the mean of its divisors is an integer number (104521896).

Almost surely, 2^1090213786 is an apocalyptic number.

1090213786 is a deficient number, since it is larger than the sum of its proper divisors (582136550).

1090213786 is a wasteful number, since it uses less digits than its factorization.

1090213786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15573.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1090213786 is about 33018.3855753124. The cubic root of 1090213786 is about 1029.2097454304.

The spelling of 1090213786 in words is "one billion, ninety million, two hundred thirteen thousand, seven hundred eighty-six".