1086847139 has 16 divisors (see below), whose sum is σ = 1342828800. Its totient is φ = 858695904.

The previous prime is 1086847103. The next prime is 1086847193. The reversal of 1086847139 is 9317486801.

It is a cyclic number.

It is not a de Polignac number, because 1086847139 - 2²⁰ = 1085798563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1086847093 and 1086847102.

It is not an unprimeable number, because it can be changed into a prime (1086847739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105509 + ... + 115350.

It is an arithmetic number, because the mean of its divisors is an integer number (83926800).

Almost surely, 2^1086847139 is an apocalyptic number.

1086847139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1086847139 is a deficient number, since it is larger than the sum of its proper divisors (255981661).

1086847139 is a wasteful number, since it uses less digits than its factorization.

1086847139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220922.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 1086847139 is about 32967.3647566802. The cubic root of 1086847139 is about 1028.1492321090.

The spelling of 1086847139 in words is "one billion, eighty-six million, eight hundred forty-seven thousand, one hundred thirty-nine".