1085136983 has 8 divisors (see below), whose sum is σ = 1240711680. Its totient is φ = 929701080.

The previous prime is 1085136977. The next prime is 1085137021. The reversal of 1085136983 is 3896315801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1085136983 - 2¹² = 1085132887 is a prime.

It is a super-3 number, since 3×1085136983³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085136973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17363 + ... + 49716.

It is an arithmetic number, because the mean of its divisors is an integer number (155088960).

Almost surely, 2^1085136983 is an apocalyptic number.

1085136983 is a deficient number, since it is larger than the sum of its proper divisors (155574697).

1085136983 is an equidigital number, since it uses as much as digits as its factorization.

1085136983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69397.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 1085136983 is about 32941.4174406627. The cubic root of 1085136983 is about 1027.6096841054.

The spelling of 1085136983 in words is "one billion, eighty-five million, one hundred thirty-six thousand, nine hundred eighty-three".