5136431522 has 4 divisors (see below), whose sum is σ = 7704647286. Its totient is φ = 2568215760.

The previous prime is 5136431491. The next prime is 5136431533. The reversal of 5136431522 is 2251346315.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2251346315 = 5 ⋅450269263.

It can be written as a sum of positive squares in only one way, i.e., 3919886881 + 1216544641 = 62609^2 + 34879^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1284107879 + ... + 1284107882.

Almost surely, 2^5136431522 is an apocalyptic number.

5136431522 is a deficient number, since it is larger than the sum of its proper divisors (2568215764).

5136431522 is a wasteful number, since it uses less digits than its factorization.

5136431522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568215763.

The product of its digits is 21600, while the sum is 32.

The square root of 5136431522 is about 71668.9020566103. The cubic root of 5136431522 is about 1725.3895665137.

Adding to 5136431522 its reverse (2251346315), we get a palindrome (7387777837).

The spelling of 5136431522 in words is "five billion, one hundred thirty-six million, four hundred thirty-one thousand, five hundred twenty-two".