5291135842 has 8 divisors (see below), whose sum is σ = 7937099100. Its totient is φ = 2645436144.

The previous prime is 5291135833. The next prime is 5291135867. The reversal of 5291135842 is 2485311925.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4615707721 + 675428121 = 67939^2 + 25989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5291135842² = 55992236996994097928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5291135795 and 5291135804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4117 + ... + 102952.

Almost surely, 2^5291135842 is an apocalyptic number.

5291135842 is a deficient number, since it is larger than the sum of its proper divisors (2645963258).

5291135842 is a wasteful number, since it uses less digits than its factorization.

5291135842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131780.

The product of its digits is 86400, while the sum is 40.

The square root of 5291135842 is about 72740.1941295182. The cubic root of 5291135842 is about 1742.5408602445.

The spelling of 5291135842 in words is "five billion, two hundred ninety-one million, one hundred thirty-five thousand, eight hundred forty-two".