5399439136 has 288 divisors, whose sum is σ = 14025166848. Its totient is φ = 2000194560.

The previous prime is 5399439109. The next prime is 5399439191. The reversal of 5399439136 is 6319349935.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50461995 + ... + 50462101.

It is an arithmetic number, because the mean of its divisors is an integer number (48698496).

Almost surely, 2^5399439136 is an apocalyptic number.

5399439136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5399439136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7012583424).

5399439136 is an abundant number, since it is smaller than the sum of its proper divisors (8625727712).

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

5399439136 is a wasteful number, since it uses less digits than its factorization.

5399439136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 203 counting only the distinct ones).

The product of its digits is 2361960, while the sum is 52.

The square root of 5399439136 is about 73480.8759882461. The cubic root of 5399439136 is about 1754.3499009623.

The spelling of 5399439136 in words is "five billion, three hundred ninety-nine million, four hundred thirty-nine thousand, one hundred thirty-six".