2140721034 has 16 divisors (see below), whose sum is σ = 4282041888. Its totient is φ = 713473712.

The previous prime is 2140721029. The next prime is 2140721047. The reversal of 2140721034 is 4301270412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2140720995 and 2140721013.

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, 31084 + ... + 72440.

It is an arithmetic number, because the mean of its divisors is an integer number (267627618).

Almost surely, 2^2140721034 is an apocalyptic number.

2140721034 is an abundant number, since it is smaller than the sum of its proper divisors (2141320854).

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

2140721034 is a wasteful number, since it uses less digits than its factorization.

2140721034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49989.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 2140721034 is about 46267.9266230939. The cubic root of 2140721034 is about 1288.8034563166.

Adding to 2140721034 its reverse (4301270412), we get a palindrome (6441991446).

The spelling of 2140721034 in words is "two billion, one hundred forty million, seven hundred twenty-one thousand, thirty-four".