5131399158 has 12 divisors (see below), whose sum is σ = 11118031548. Its totient is φ = 1710466380.

The previous prime is 5131399121. The next prime is 5131399159. The reversal of 5131399158 is 8519931315.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131399159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142538848 + ... + 142538883.

It is an arithmetic number, because the mean of its divisors is an integer number (926502629).

Almost surely, 2^5131399158 is an apocalyptic number.

5131399158 is an abundant number, since it is smaller than the sum of its proper divisors (5986632390).

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

5131399158 is a wasteful number, since it uses less digits than its factorization.

5131399158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285077739 (or 285077736 counting only the distinct ones).

The product of its digits is 145800, while the sum is 45.

The square root of 5131399158 is about 71633.7850319247. The cubic root of 5131399158 is about 1724.8259050514.

The spelling of 5131399158 in words is "five billion, one hundred thirty-one million, three hundred ninety-nine thousand, one hundred fifty-eight".