2134640827 has 8 divisors (see below), whose sum is σ = 2368169280. Its totient is φ = 1907690760.

The previous prime is 2134640821. The next prime is 2134640843. The reversal of 2134640827 is 7280464312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2134640827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2134640821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1643913 + ... + 1645210.

It is an arithmetic number, because the mean of its divisors is an integer number (296021160).

Almost surely, 2^2134640827 is an apocalyptic number.

2134640827 is a deficient number, since it is larger than the sum of its proper divisors (233528453).

2134640827 is a wasteful number, since it uses less digits than its factorization.

2134640827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289193.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 2134640827 is about 46202.1734012589. The cubic root of 2134640827 is about 1287.5821197754.

The spelling of 2134640827 in words is "two billion, one hundred thirty-four million, six hundred forty thousand, eight hundred twenty-seven".