7135528638 has 32 divisors (see below), whose sum is σ = 16320579840. Its totient is φ = 2037372480.

The previous prime is 7135528637. The next prime is 7135528657. The reversal of 7135528638 is 8368255317.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7135528637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8818 + ... + 119786.

It is an arithmetic number, because the mean of its divisors is an integer number (510018120).

Almost surely, 2^7135528638 is an apocalyptic number.

7135528638 is an abundant number, since it is smaller than the sum of its proper divisors (9185051202).

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

7135528638 is a wasteful number, since it uses less digits than its factorization.

7135528638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112512.

The product of its digits is 1209600, while the sum is 48.

The square root of 7135528638 is about 84472.0583269995. The cubic root of 7135528638 is about 1925.1979231362.

The spelling of 7135528638 in words is "seven billion, one hundred thirty-five million, five hundred twenty-eight thousand, six hundred thirty-eight".