5131344786 has 8 divisors (see below), whose sum is σ = 10262689584. Its totient is φ = 1710448260.

The previous prime is 5131344737. The next prime is 5131344817. The reversal of 5131344786 is 6874431315.

It is a happy number.

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

5131344786 is an admirable number.

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, 427612060 + ... + 427612071.

It is an arithmetic number, because the mean of its divisors is an integer number (1282836198).

Almost surely, 2^5131344786 is an apocalyptic number.

5131344786 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5131344786 is a wasteful number, since it uses less digits than its factorization.

5131344786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855224136.

The product of its digits is 241920, while the sum is 42.

The square root of 5131344786 is about 71633.4055172585. The cubic root of 5131344786 is about 1724.8198129790.

The spelling of 5131344786 in words is "five billion, one hundred thirty-one million, three hundred forty-four thousand, seven hundred eighty-six".