2139066161258 has 8 divisors (see below), whose sum is σ = 3455414568228. Its totient is φ = 987261305184.

The previous prime is 2139066161251. The next prime is 2139066161291. The reversal of 2139066161258 is 8521616609312.

It can be written as a sum of positive squares in 2 ways, for example, as 1767535683169 + 371530478089 = 1329487^2 + 609533^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2139066161251) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 41135887691 + ... + 41135887742.

Almost surely, 2^{2139066161258} is an apocalyptic number.

2139066161258 is a deficient number, since it is larger than the sum of its proper divisors (1316348406970).

2139066161258 is a wasteful number, since it uses less digits than its factorization.

2139066161258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82271775448.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 2139066161258 in words is "two trillion, one hundred thirty-nine billion, sixty-six million, one hundred sixty-one thousand, two hundred fifty-eight".