7135131475 has 12 divisors (see below), whose sum is σ = 8851647496. Its totient is φ = 5705470080.

The previous prime is 7135131473. The next prime is 7135131481. The reversal of 7135131475 is 5741315317.

It is not a de Polignac number, because 7135131475 - 2¹ = 7135131473 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7135131473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9702 + ... + 119851.

Almost surely, 2^7135131475 is an apocalyptic number.

7135131475 is a deficient number, since it is larger than the sum of its proper divisors (1716516021).

7135131475 is a wasteful number, since it uses less digits than its factorization.

7135131475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131766 (or 131761 counting only the distinct ones).

The product of its digits is 44100, while the sum is 37.

The square root of 7135131475 is about 84469.7074400048. The cubic root of 7135131475 is about 1925.1622036818.

The spelling of 7135131475 in words is "seven billion, one hundred thirty-five million, one hundred thirty-one thousand, four hundred seventy-five".