2139941604 has 24 divisors (see below), whose sum is σ = 4993945600. Its totient is φ = 713206944.

The previous prime is 2139941603. The next prime is 2139941611. The reversal of 2139941604 is 4061499312.

It is not an unprimeable number, because it can be changed into a prime (2139941603) 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 7 ways as a sum of consecutive naturals, for example, 146622 + ... + 160554.

Almost surely, 2^2139941604 is an apocalyptic number.

It is an amenable number.

2139941604 is an abundant number, since it is smaller than the sum of its proper divisors (2854003996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2139941604 is a wasteful number, since it uses less digits than its factorization.

2139941604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26739 (or 26737 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 2139941604 is about 46259.5028507657. The cubic root of 2139941604 is about 1288.6470208598.

The spelling of 2139941604 in words is "two billion, one hundred thirty-nine million, nine hundred forty-one thousand, six hundred four".