2134639025 has 12 divisors (see below), whose sum is σ = 2648295900. Its totient is φ = 1706844480.

The previous prime is 2134639021. The next prime is 2134639027. The reversal of 2134639025 is 5209364312.

It can be written as a sum of positive squares in 6 ways, for example, as 840942001 + 1293697024 = 28999^2 + 35968^2 .

It is not a de Polignac number, because 2134639025 - 2² = 2134639021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2134639021) 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, 31091 + ... + 72359.

It is an arithmetic number, because the mean of its divisors is an integer number (220691325).

Almost surely, 2^2134639025 is an apocalyptic number.

2134639025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2134639025 is a deficient number, since it is larger than the sum of its proper divisors (513656875).

2134639025 is a wasteful number, since it uses less digits than its factorization.

2134639025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43348 (or 43343 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 2134639025 is about 46202.1539000077. The cubic root of 2134639025 is about 1287.5817574626.

The spelling of 2134639025 in words is "two billion, one hundred thirty-four million, six hundred thirty-nine thousand, twenty-five".