2746520139 has 24 divisors (see below), whose sum is σ = 4137486912. Its totient is φ = 1607142880.

The previous prime is 2746520131. The next prime is 2746520159. The reversal of 2746520139 is 9310256472.

It is not a de Polignac number, because 2746520139 - 2³ = 2746520131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2746520097 and 2746520106.

It is not an unprimeable number, because it can be changed into a prime (2746520131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21729 + ... + 77234.

It is an arithmetic number, because the mean of its divisors is an integer number (172395288).

Almost surely, 2^2746520139 is an apocalyptic number.

2746520139 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2746520139 is a deficient number, since it is larger than the sum of its proper divisors (1390966773).

2746520139 is a wasteful number, since it uses less digits than its factorization.

2746520139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99035 (or 99006 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 2746520139 is about 52407.2527328041. The cubic root of 2746520139 is about 1400.4284639251.

The spelling of 2746520139 in words is "two billion, seven hundred forty-six million, five hundred twenty thousand, one hundred thirty-nine".