2139046345 has 32 divisors (see below), whose sum is σ = 2817275904. Its totient is φ = 1554009600.

The previous prime is 2139046339. The next prime is 2139046361. The reversal of 2139046345 is 5436409312.

It is not a de Polignac number, because 2139046345 - 2¹⁵ = 2139013577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183285 + ... + 194605.

It is an arithmetic number, because the mean of its divisors is an integer number (88039872).

Almost surely, 2^2139046345 is an apocalyptic number.

It is an amenable number.

2139046345 is a deficient number, since it is larger than the sum of its proper divisors (678229559).

2139046345 is a wasteful number, since it uses less digits than its factorization.

2139046345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11433.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 2139046345 is about 46249.8253510216. The cubic root of 2139046345 is about 1288.4672910702.

The spelling of 2139046345 in words is "two billion, one hundred thirty-nine million, forty-six thousand, three hundred forty-five".