1099486139 has 4 divisors (see below), whose sum is σ = 1100159424. Its totient is φ = 1098812856.

The previous prime is 1099486127. The next prime is 1099486151. The reversal of 1099486139 is 9316849901.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1099486127) and next prime (1099486151).

It is a cyclic number.

It is not a de Polignac number, because 1099486139 - 2⁴ = 1099486123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1099486109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334187 + ... + 337460.

It is an arithmetic number, because the mean of its divisors is an integer number (275039856).

Almost surely, 2^1099486139 is an apocalyptic number.

1099486139 is a deficient number, since it is larger than the sum of its proper divisors (673285).

1099486139 is an equidigital number, since it uses as much as digits as its factorization.

1099486139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673284.

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 1099486139 is about 33158.5002525748. The cubic root of 1099486139 is about 1032.1193484525.

The spelling of 1099486139 in words is "one billion, ninety-nine million, four hundred eighty-six thousand, one hundred thirty-nine".