1086539842 has 4 divisors (see below), whose sum is σ = 1629809766. Its totient is φ = 543269920.

The previous prime is 1086539837. The next prime is 1086539879. The reversal of 1086539842 is 2489356801.

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

It can be written as a sum of positive squares in only one way, i.e., 1068570721 + 17969121 = 32689^2 + 4239^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1086539792 and 1086539801.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271634959 + ... + 271634962.

Almost surely, 2^1086539842 is an apocalyptic number.

1086539842 is a deficient number, since it is larger than the sum of its proper divisors (543269924).

1086539842 is an equidigital number, since it uses as much as digits as its factorization.

1086539842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543269923.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 1086539842 is about 32962.7038029346. The cubic root of 1086539842 is about 1028.0523227569.

The spelling of 1086539842 in words is "one billion, eighty-six million, five hundred thirty-nine thousand, eight hundred forty-two".