2139280835 has 8 divisors (see below), whose sum is σ = 2567389200. Its totient is φ = 1711256544.

The previous prime is 2139280771. The next prime is 2139280849. The reversal of 2139280835 is 5380829312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2139280835 - 2⁶ = 2139280771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2139280792 and 2139280801.

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, 74129 + ... + 98861.

It is an arithmetic number, because the mean of its divisors is an integer number (320923650).

Almost surely, 2^2139280835 is an apocalyptic number.

2139280835 is a deficient number, since it is larger than the sum of its proper divisors (428108365).

2139280835 is a wasteful number, since it uses less digits than its factorization.

2139280835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42037.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 2139280835 is about 46252.3603181503. The cubic root of 2139280835 is about 1288.5143714986.

The spelling of 2139280835 in words is "two billion, one hundred thirty-nine million, two hundred eighty thousand, eight hundred thirty-five".