1085236436 has 6 divisors (see below), whose sum is σ = 1899163770. Its totient is φ = 542618216.

The previous prime is 1085236409. The next prime is 1085236441. The reversal of 1085236436 is 6346325801.

It can be written as a sum of positive squares in only one way, i.e., 1055860036 + 29376400 = 32494^2 + 5420^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1085236436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135654551 + ... + 135654558.

It is an arithmetic number, because the mean of its divisors is an integer number (316527295).

Almost surely, 2^1085236436 is an apocalyptic number.

It is an amenable number.

1085236436 is a deficient number, since it is larger than the sum of its proper divisors (813927334).

1085236436 is a wasteful number, since it uses less digits than its factorization.

1085236436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271309113 (or 271309111 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 1085236436 is about 32942.9269494986. The cubic root of 1085236436 is about 1027.6410766839.

The spelling of 1085236436 in words is "one billion, eighty-five million, two hundred thirty-six thousand, four hundred thirty-six".