5394127831 has 12 divisors (see below), whose sum is σ = 5642944720. Its totient is φ = 5155856640.

The previous prime is 5394127777. The next prime is 5394127859. The reversal of 5394127831 is 1387214935.

It is a de Polignac number, because none of the positive numbers 2^k-5394127831 is a prime.

It is a super-2 number, since 2×5394127831² = 58193230114337529122, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5394127891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 965815 + ... + 971383.

Almost surely, 2^5394127831 is an apocalyptic number.

5394127831 is a deficient number, since it is larger than the sum of its proper divisors (248816889).

5394127831 is a wasteful number, since it uses less digits than its factorization.

5394127831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7446 (or 7423 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 5394127831 is about 73444.7263661592. The cubic root of 5394127831 is about 1753.7744742621.

It can be divided in two parts, 5394 and 127831, that added together give a square (133225 = 365²).

The spelling of 5394127831 in words is "five billion, three hundred ninety-four million, one hundred twenty-seven thousand, eight hundred thirty-one".