2054193139 has 8 divisors (see below), whose sum is σ = 2105326080. Its totient is φ = 2003369736.

The previous prime is 2054193137. The next prime is 2054193161. The reversal of 2054193139 is 9313914502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2054193139 - 2¹ = 2054193137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2054193098 and 2054193107.

It is not an unprimeable number, because it can be changed into a prime (2054193137) 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, 63919 + ... + 90520.

It is an arithmetic number, because the mean of its divisors is an integer number (263165760).

Almost surely, 2^2054193139 is an apocalyptic number.

2054193139 is a deficient number, since it is larger than the sum of its proper divisors (51132941).

2054193139 is a wasteful number, since it uses less digits than its factorization.

2054193139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154769.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 2054193139 is about 45323.2075100605. The cubic root of 2054193139 is about 1271.1996309438.

The spelling of 2054193139 in words is "two billion, fifty-four million, one hundred ninety-three thousand, one hundred thirty-nine".