2139783102 has 32 divisors (see below), whose sum is σ = 4771337760. Its totient is φ = 710821440.

The previous prime is 2139783089. The next prime is 2139783103. The reversal of 2139783102 is 2013879312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139783103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51799 + ... + 83442.

It is an arithmetic number, because the mean of its divisors is an integer number (149104305).

Almost surely, 2^2139783102 is an apocalyptic number.

2139783102 is an abundant number, since it is smaller than the sum of its proper divisors (2631554658).

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

2139783102 is a wasteful number, since it uses less digits than its factorization.

2139783102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135545 (or 135539 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 2139783102 is about 46257.7896359089. The cubic root of 2139783102 is about 1288.6152040767.

The spelling of 2139783102 in words is "two billion, one hundred thirty-nine million, seven hundred eighty-three thousand, one hundred two".