5374149138 has 54 divisors (see below), whose sum is σ = 11992878261. Its totient is φ = 1739235024.

The previous prime is 5374149133. The next prime is 5374149163. The reversal of 5374149138 is 8319414735.

5374149138 is a `hidden beast` number, since 5 + 374 + 149 + 138 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4335827409 + 1038321729 = 65847^2 + 32223^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=51837.

It is a super-2 number, since 2×5374149138² = 57762957914932286088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5374149093 and 5374149102.

It is not an unprimeable number, because it can be changed into a prime (5374149133) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11507581 + ... + 11508047.

Almost surely, 2^5374149138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5374149138

5374149138 is an abundant number, since it is smaller than the sum of its proper divisors (6618729123).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5374149138 is an equidigital number, since it uses as much as digits as its factorization.

5374149138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 509 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 5374149138 is about 73308.5884327341. The cubic root of 5374149138 is about 1751.6065940511.

The spelling of 5374149138 in words is "five billion, three hundred seventy-four million, one hundred forty-nine thousand, one hundred thirty-eight".