5440125131 has 8 divisors (see below), whose sum is σ = 6239257344. Its totient is φ = 4646485800.

The previous prime is 5440125101. The next prime is 5440125181. The reversal of 5440125131 is 1315210445.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5440125131 is a prime.

It is a super-2 number, since 2×5440125131² = 59189922881875534322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5440125131.

It is not an unprimeable number, because it can be changed into a prime (5440125101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371095 + ... + 1375056.

It is an arithmetic number, because the mean of its divisors is an integer number (779907168).

Almost surely, 2^5440125131 is an apocalyptic number.

5440125131 is a deficient number, since it is larger than the sum of its proper divisors (799132213).

5440125131 is a wasteful number, since it uses less digits than its factorization.

5440125131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746441.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 5440125131 is about 73757.2039261251. The cubic root of 5440125131 is about 1758.7453535563.

Adding to 5440125131 its reverse (1315210445), we get a palindrome (6755335576).

The spelling of 5440125131 in words is "five billion, four hundred forty million, one hundred twenty-five thousand, one hundred thirty-one".