2134809340 has 24 divisors (see below), whose sum is σ = 4746812112. Its totient is φ = 803692800.

The previous prime is 2134809319. The next prime is 2134809343. The reversal of 2134809340 is 439084312.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 2134809296 and 2134809305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134809343) 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, 3139086 + ... + 3139765.

It is an arithmetic number, because the mean of its divisors is an integer number (197783838).

Almost surely, 2^2134809340 is an apocalyptic number.

2134809340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2134809340 is an abundant number, since it is smaller than the sum of its proper divisors (2612002772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2134809340 is a wasteful number, since it uses less digits than its factorization.

2134809340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6278877 (or 6278875 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 2134809340 is about 46203.9970132455. The cubic root of 2134809340 is about 1287.6160003568.

The spelling of 2134809340 in words is "two billion, one hundred thirty-four million, eight hundred nine thousand, three hundred forty".