5291388135 has 48 divisors (see below), whose sum is σ = 10012118688. Its totient is φ = 2563833600.

The previous prime is 5291388133. The next prime is 5291388139. The reversal of 5291388135 is 5318831925.

5291388135 is a `hidden beast` number, since 52 + 91 + 388 + 135 = 666.

5291388135 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5291388135 - 2¹ = 5291388133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5291388131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1096989 + ... + 1101801.

It is an arithmetic number, because the mean of its divisors is an integer number (208585806).

Almost surely, 2^5291388135 is an apocalyptic number.

5291388135 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5291388135 is a deficient number, since it is larger than the sum of its proper divisors (4720730553).

5291388135 is a wasteful number, since it uses less digits than its factorization.

5291388135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7056 (or 7053 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 5291388135 is about 72741.9283151059. The cubic root of 5291388135 is about 1742.5685558652.

The spelling of 5291388135 in words is "five billion, two hundred ninety-one million, three hundred eighty-eight thousand, one hundred thirty-five".