7135502891 has 16 divisors (see below), whose sum is σ = 7843638240. Its totient is φ = 6437383680.

The previous prime is 7135502887. The next prime is 7135502897. The reversal of 7135502891 is 1982055317.

It is a cyclic number.

It is not a de Polignac number, because 7135502891 - 2² = 7135502887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7135502897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1685165 + ... + 1689393.

It is an arithmetic number, because the mean of its divisors is an integer number (490227390).

Almost surely, 2^7135502891 is an apocalyptic number.

7135502891 is a deficient number, since it is larger than the sum of its proper divisors (708135349).

7135502891 is a wasteful number, since it uses less digits than its factorization.

7135502891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5374.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 7135502891 is about 84471.9059273555. The cubic root of 7135502891 is about 1925.1956075810.

The spelling of 7135502891 in words is "seven billion, one hundred thirty-five million, five hundred two thousand, eight hundred ninety-one".