4909139136 has 560 divisors, whose sum is σ = 17525756160. Its totient is φ = 1341204480.

The previous prime is 4909139107. The next prime is 4909139173. The reversal of 4909139136 is 6319319094.

It is a junction number, because it is equal to n+sod(n) for n = 4909139091 and 4909139100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 24919390 + ... + 24919586.

Almost surely, 2^4909139136 is an apocalyptic number.

4909139136 is a gapful number since it is divisible by the number (46) 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 4909139136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8762878080).

4909139136 is an abundant number, since it is smaller than the sum of its proper divisors (12616617024).

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

4909139136 is a wasteful number, since it uses less digits than its factorization.

4909139136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 4909139136 is about 70065.2491325051. The cubic root of 4909139136 is about 1699.5545702664.

The spelling of 4909139136 in words is "four billion, nine hundred nine million, one hundred thirty-nine thousand, one hundred thirty-six".