5131143546 has 8 divisors (see below), whose sum is σ = 10262287104. Its totient is φ = 1710381180.

The previous prime is 5131143503. The next prime is 5131143547. The reversal of 5131143546 is 6453411315.

It is a happy number.

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

5131143546 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (5131143547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427595290 + ... + 427595301.

It is an arithmetic number, because the mean of its divisors is an integer number (1282785888).

Almost surely, 2^5131143546 is an apocalyptic number.

5131143546 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.

5131143546 is a wasteful number, since it uses less digits than its factorization.

5131143546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855190596.

The product of its digits is 21600, while the sum is 33.

The square root of 5131143546 is about 71632.0008515747. Note that the first 3 decimals coincide. The cubic root of 5131143546 is about 1724.7972648108.

Subtracting 5131143546 from its reverse (6453411315), we obtain a square (1322267769 = 36363²).

The spelling of 5131143546 in words is "five billion, one hundred thirty-one million, one hundred forty-three thousand, five hundred forty-six".