5135887431 has 16 divisors (see below), whose sum is σ = 7611187200. Its totient is φ = 3422815704.

The previous prime is 5135887423. The next prime is 5135887451. The reversal of 5135887431 is 1347885315.

It is a happy number.

5135887431 is a `hidden beast` number, since 5 + 135 + 8 + 87 + 431 = 666.

It is not a de Polignac number, because 5135887431 - 2³ = 5135887423 is a prime.

It is a super-2 number, since 2×5135887431² = 52754679407807559522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5135887411) 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 15 ways as a sum of consecutive naturals, for example, 58810 + ... + 117176.

It is an arithmetic number, because the mean of its divisors is an integer number (475699200).

Almost surely, 2^5135887431 is an apocalyptic number.

5135887431 is a deficient number, since it is larger than the sum of its proper divisors (2475299769).

5135887431 is a wasteful number, since it uses less digits than its factorization.

5135887431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61635 (or 61629 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 5135887431 is about 71665.1060907608. The cubic root of 5135887431 is about 1725.3286421100.

The spelling of 5135887431 in words is "five billion, one hundred thirty-five million, eight hundred eighty-seven thousand, four hundred thirty-one".