2921342140 has 12 divisors (see below), whose sum is σ = 6134818536. Its totient is φ = 1168536848.

The previous prime is 2921342077. The next prime is 2921342201. The reversal of 2921342140 is 412431292.

It is a junction number, because it is equal to n+sod(n) for n = 2921342099 and 2921342108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73033534 + ... + 73033573.

It is an arithmetic number, because the mean of its divisors is an integer number (511234878).

Almost surely, 2^2921342140 is an apocalyptic number.

2921342140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2921342140 is an abundant number, since it is smaller than the sum of its proper divisors (3213476396).

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

2921342140 is a wasteful number, since it uses less digits than its factorization.

2921342140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146067116 (or 146067114 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2921342140 is about 54049.4416252379. The cubic root of 2921342140 is about 1429.5328547310.

The spelling of 2921342140 in words is "two billion, nine hundred twenty-one million, three hundred forty-two thousand, one hundred forty".