1090193907 has 18 divisors (see below), whose sum is σ = 1598672236. Its totient is φ = 660342320.

The previous prime is 1090193903. The next prime is 1090193939. The reversal of 1090193907 is 7093910901.

It is not a de Polignac number, because 1090193907 - 2² = 1090193903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090193903) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 628213 + ... + 629945.

Almost surely, 2^1090193907 is an apocalyptic number.

1090193907 is a deficient number, since it is larger than the sum of its proper divisors (508478329).

1090193907 is an frugal number, since it uses more digits than its factorization.

1090193907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491 (or 1747 counting only the distinct ones).

The product of its (nonzero) digits is 15309, while the sum is 39.

The square root of 1090193907 is about 33018.0845446855. The cubic root of 1090193907 is about 1029.2034898424.

The spelling of 1090193907 in words is "one billion, ninety million, one hundred ninety-three thousand, nine hundred seven".