1135525638 has 32 divisors (see below), whose sum is σ = 2448665856. Its totient is φ = 348975648.

The previous prime is 1135525637. The next prime is 1135525661. The reversal of 1135525638 is 8365255311.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 1135525596 and 1135525605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135525631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60631 + ... + 77117.

It is an arithmetic number, because the mean of its divisors is an integer number (76520808).

Almost surely, 2^1135525638 is an apocalyptic number.

1135525638 is an abundant number, since it is smaller than the sum of its proper divisors (1313140218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1135525638 is a wasteful number, since it uses less digits than its factorization.

1135525638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17388.

The product of its digits is 108000, while the sum is 39.

The square root of 1135525638 is about 33697.5613064210. The cubic root of 1135525638 is about 1043.2754345502.

The spelling of 1135525638 in words is "one billion, one hundred thirty-five million, five hundred twenty-five thousand, six hundred thirty-eight".