5136091123 has 4 divisors (see below), whose sum is σ = 5136254200. Its totient is φ = 5135928048.

The previous prime is 5136091117. The next prime is 5136091127. The reversal of 5136091123 is 3211906315.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5136091123 - 2²⁹ = 4599220211 is a prime.

It is a super-2 number, since 2×5136091123² = 52758864047518802258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5136091127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17565 + ... + 102862.

It is an arithmetic number, because the mean of its divisors is an integer number (1284063550).

Almost surely, 2^5136091123 is an apocalyptic number.

5136091123 is a deficient number, since it is larger than the sum of its proper divisors (163077).

5136091123 is a wasteful number, since it uses less digits than its factorization.

5136091123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163076.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 5136091123 is about 71666.5272145930. The cubic root of 5136091123 is about 1725.3514509559.

Adding to 5136091123 its reverse (3211906315), we get a palindrome (8347997438).

The spelling of 5136091123 in words is "five billion, one hundred thirty-six million, ninety-one thousand, one hundred twenty-three".