2134956639 has 12 divisors (see below), whose sum is σ = 2941401048. Its totient is φ = 1377389520.

The previous prime is 2134956601. The next prime is 2134956673. The reversal of 2134956639 is 9366594312.

It is not a de Polignac number, because 2134956639 - 2⁷ = 2134956511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134956839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 367384 + ... + 373149.

It is an arithmetic number, because the mean of its divisors is an integer number (245116754).

Almost surely, 2^2134956639 is an apocalyptic number.

2134956639 is a deficient number, since it is larger than the sum of its proper divisors (806444409).

2134956639 is an equidigital number, since it uses as much as digits as its factorization.

2134956639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740598 (or 740567 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 48.

The square root of 2134956639 is about 46205.5909928658. The cubic root of 2134956639 is about 1287.6456142718.

The spelling of 2134956639 in words is "two billion, one hundred thirty-four million, nine hundred fifty-six thousand, six hundred thirty-nine".