2139541486 has 8 divisors (see below), whose sum is σ = 3209523120. Its totient is φ = 1069700448.

The previous prime is 2139541429. The next prime is 2139541517. The reversal of 2139541486 is 6841459312.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20550 + ... + 68566.

It is an arithmetic number, because the mean of its divisors is an integer number (401190390).

Almost surely, 2^2139541486 is an apocalyptic number.

2139541486 is a deficient number, since it is larger than the sum of its proper divisors (1069981634).

2139541486 is a wasteful number, since it uses less digits than its factorization.

2139541486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70298.

The product of its digits is 207360, while the sum is 43.

The square root of 2139541486 is about 46255.1779371780. The cubic root of 2139541486 is about 1288.5667004425.

The spelling of 2139541486 in words is "two billion, one hundred thirty-nine million, five hundred forty-one thousand, four hundred eighty-six".