2052891139 has 8 divisors (see below), whose sum is σ = 2226712880. Its totient is φ = 1881341856.

The previous prime is 2052891097. The next prime is 2052891143. The reversal of 2052891139 is 9311982502.

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 2052891139 - 2¹³ = 2052882947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2052891199) 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, 566232 + ... + 569845.

It is an arithmetic number, because the mean of its divisors is an integer number (278339110).

Almost surely, 2^2052891139 is an apocalyptic number.

2052891139 is a deficient number, since it is larger than the sum of its proper divisors (173821741).

2052891139 is a wasteful number, since it uses less digits than its factorization.

2052891139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136229.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 2052891139 is about 45308.8417309470. The cubic root of 2052891139 is about 1270.9310012658.

The spelling of 2052891139 in words is "two billion, fifty-two million, eight hundred ninety-one thousand, one hundred thirty-nine".