1085436137 has 4 divisors (see below), whose sum is σ = 1085846400. Its totient is φ = 1085025876.

The previous prime is 1085436133. The next prime is 1085436151. The reversal of 1085436137 is 7316345801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7316345801 = 17609 ⋅415489.

It is a cyclic number.

It is not a de Polignac number, because 1085436137 - 2² = 1085436133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1085436137.

It is not an unprimeable number, because it can be changed into a prime (1085436133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201137 + ... + 206462.

It is an arithmetic number, because the mean of its divisors is an integer number (271461600).

Almost surely, 2^1085436137 is an apocalyptic number.

It is an amenable number.

1085436137 is a deficient number, since it is larger than the sum of its proper divisors (410263).

1085436137 is an equidigital number, since it uses as much as digits as its factorization.

1085436137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410262.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1085436137 is about 32945.9578248986. The cubic root of 1085436137 is about 1027.7041069930.

The spelling of 1085436137 in words is "one billion, eighty-five million, four hundred thirty-six thousand, one hundred thirty-seven".