2140321234 has 16 divisors (see below), whose sum is σ = 3390134400. Its totient is φ = 1010632464.

The previous prime is 2140321223. The next prime is 2140321273. The reversal of 2140321234 is 4321230412.

It is a super-2 number, since 2×2140321234² = 9161949969422565512, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 76794 + ... + 100885.

It is an arithmetic number, because the mean of its divisors is an integer number (211883400).

Almost surely, 2^2140321234 is an apocalyptic number.

2140321234 is a deficient number, since it is larger than the sum of its proper divisors (1249813166).

2140321234 is a wasteful number, since it uses less digits than its factorization.

2140321234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178017.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2140321234 is about 46263.6059338223. The cubic root of 2140321234 is about 1288.7232192230.

Adding to 2140321234 its reverse (4321230412), we get a palindrome (6461551646).

The spelling of 2140321234 in words is "two billion, one hundred forty million, three hundred twenty-one thousand, two hundred thirty-four".