2134487811 has 8 divisors (see below), whose sum is σ = 2866757904. Its totient is φ = 1412604800.

The previous prime is 2134487777. The next prime is 2134487833. The reversal of 2134487811 is 1187844312.

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

It is a cyclic number.

It is not a de Polignac number, because 2134487811 - 2²² = 2130293507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2134487811.

It is not an unprimeable number, because it can be changed into a prime (2134487881) 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, 2596290 + ... + 2597111.

It is an arithmetic number, because the mean of its divisors is an integer number (358344738).

Almost surely, 2^2134487811 is an apocalyptic number.

2134487811 is a deficient number, since it is larger than the sum of its proper divisors (732270093).

2134487811 is a wasteful number, since it uses less digits than its factorization.

2134487811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193541.

The product of its digits is 43008, while the sum is 39.

The square root of 2134487811 is about 46200.5174321674. The cubic root of 2134487811 is about 1287.5513534172.

The spelling of 2134487811 in words is "two billion, one hundred thirty-four million, four hundred eighty-seven thousand, eight hundred eleven".