2139595040 has 48 divisors (see below), whose sum is σ = 5514324480. Its totient is φ = 778033920.

The previous prime is 2139595019. The next prime is 2139595063. The reversal of 2139595040 is 405959312.

It is a junction number, because it is equal to n+sod(n) for n = 2139594985 and 2139595003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606080 + ... + 609599.

It is an arithmetic number, because the mean of its divisors is an integer number (114881760).

Almost surely, 2^2139595040 is an apocalyptic number.

2139595040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2139595040 is an abundant number, since it is smaller than the sum of its proper divisors (3374729440).

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

2139595040 is a wasteful number, since it uses less digits than its factorization.

2139595040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215705 (or 1215697 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 2139595040 is about 46255.7568309070. The cubic root of 2139595040 is about 1288.5774515506.

The spelling of 2139595040 in words is "two billion, one hundred thirty-nine million, five hundred ninety-five thousand, forty".