2139875616 has 48 divisors (see below), whose sum is σ = 5621047488. Its totient is φ = 712800000.

The previous prime is 2139875609. The next prime is 2139875623. The reversal of 2139875616 is 6165789312.

It is an interprime number because it is at equal distance from previous prime (2139875609) and next prime (2139875623).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148741 + ... + 162491.

It is an arithmetic number, because the mean of its divisors is an integer number (117105156).

Almost surely, 2^2139875616 is an apocalyptic number.

It is an amenable number.

2139875616 is an abundant number, since it is smaller than the sum of its proper divisors (3481171872).

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

2139875616 is a wasteful number, since it uses less digits than its factorization.

2139875616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15385 (or 15377 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 2139875616 is about 46258.7896080302. The cubic root of 2139875616 is about 1288.6337749978.

The spelling of 2139875616 in words is "two billion, one hundred thirty-nine million, eight hundred seventy-five thousand, six hundred sixteen".