1090918204 has 6 divisors (see below), whose sum is σ = 1909106864. Its totient is φ = 545459100.

The previous prime is 1090918183. The next prime is 1090918207. The reversal of 1090918204 is 4028190901.

It is a self number, because there is not a number n which added to its sum of digits gives 1090918204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090918207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136364772 + ... + 136364779.

Almost surely, 2^1090918204 is an apocalyptic number.

It is an amenable number.

1090918204 is a deficient number, since it is larger than the sum of its proper divisors (818188660).

1090918204 is a wasteful number, since it uses less digits than its factorization.

1090918204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272729555 (or 272729553 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 1090918204 is about 33029.0509097673. The cubic root of 1090918204 is about 1029.4313648930.

The spelling of 1090918204 in words is "one billion, ninety million, nine hundred eighteen thousand, two hundred four".