5349678138 has 24 divisors (see below), whose sum is σ = 13246822368. Its totient is φ = 1528479432.

The previous prime is 5349678121. The next prime is 5349678143. The reversal of 5349678138 is 8318769435.

5349678138 is a `hidden beast` number, since 53 + 496 + 78 + 1 + 38 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21228756 + ... + 21229007.

It is an arithmetic number, because the mean of its divisors is an integer number (551950932).

Almost surely, 2^5349678138 is an apocalyptic number.

5349678138 is an abundant number, since it is smaller than the sum of its proper divisors (7897144230).

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

5349678138 is a wasteful number, since it uses less digits than its factorization.

5349678138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42457778 (or 42457775 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 5349678138 is about 73141.4939552099. The cubic root of 5349678138 is about 1748.9439220516.

The spelling of 5349678138 in words is "five billion, three hundred forty-nine million, six hundred seventy-eight thousand, one hundred thirty-eight".