2056139029 has 12 divisors (see below), whose sum is σ = 2394837900. Its totient is φ = 1760192448.

The previous prime is 2056139009. The next prime is 2056139087. The reversal of 2056139029 is 9209316502.

It can be written as a sum of positive squares in 2 ways, for example, as 1030538404 + 1025600625 = 32102^2 + 32025^2 .

It is not a de Polignac number, because 2056139029 - 2⁷ = 2056138901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056139009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13707 + ... + 65575.

It is an arithmetic number, because the mean of its divisors is an integer number (199569825).

Almost surely, 2^2056139029 is an apocalyptic number.

It is an amenable number.

2056139029 is a deficient number, since it is larger than the sum of its proper divisors (338698871).

2056139029 is an equidigital number, since it uses as much as digits as its factorization.

2056139029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52692 (or 52685 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 2056139029 is about 45344.6692456787. The cubic root of 2056139029 is about 1271.6008970091.

The spelling of 2056139029 in words is "two billion, fifty-six million, one hundred thirty-nine thousand, twenty-nine".