75561135 has 16 divisors (see below), whose sum is σ = 130197984. Its totient is φ = 37199232.

The previous prime is 75561133. The next prime is 75561139. The reversal of 75561135 is 53116557.

It is not a de Polignac number, because 75561135 - 2¹ = 75561133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75561096 and 75561105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75561131) 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 15 ways as a sum of consecutive naturals, for example, 193552 + ... + 193941.

It is an arithmetic number, because the mean of its divisors is an integer number (8137374).

Almost surely, 2^75561135 is an apocalyptic number.

75561135 is a deficient number, since it is larger than the sum of its proper divisors (54636849).

75561135 is a wasteful number, since it uses less digits than its factorization.

75561135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387514.

The product of its digits is 15750, while the sum is 33.

The square root of 75561135 is about 8692.5908105697. The cubic root of 75561135 is about 422.7654529679.

The spelling of 75561135 in words is "seventy-five million, five hundred sixty-one thousand, one hundred thirty-five".