1135901613 has 32 divisors (see below), whose sum is σ = 1906624512. Its totient is φ = 584337600.

The previous prime is 1135901573. The next prime is 1135901629. The reversal of 1135901613 is 3161095311.

It is not a de Polignac number, because 1135901613 - 2¹⁷ = 1135770541 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135901633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78 + ... + 47663.

It is an arithmetic number, because the mean of its divisors is an integer number (59582016).

Almost surely, 2^1135901613 is an apocalyptic number.

It is an amenable number.

1135901613 is a deficient number, since it is larger than the sum of its proper divisors (770722899).

1135901613 is a wasteful number, since it uses less digits than its factorization.

1135901613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47865.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 1135901613 is about 33703.1395125143. The cubic root of 1135901613 is about 1043.3905654303.

Adding to 1135901613 its reverse (3161095311), we get a palindrome (4296996924).

The spelling of 1135901613 in words is "one billion, one hundred thirty-five million, nine hundred one thousand, six hundred thirteen".