2135428716280 has 32 divisors (see below), whose sum is σ = 4839280916400. Its totient is φ = 848026365696.

The previous prime is 2135428716241. The next prime is 2135428716353. The reversal of 2135428716280 is 826178245312.

It is a congruent number.

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, 192029397 + ... + 192040516.

Almost surely, 2^{2135428716280} is an apocalyptic number.

2135428716280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2135428716280 is an abundant number, since it is smaller than the sum of its proper divisors (2703852200120).

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

2135428716280 is a wasteful number, since it uses less digits than its factorization.

2135428716280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384070063 (or 384070059 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 2135428716280 in words is "two trillion, one hundred thirty-five billion, four hundred twenty-eight million, seven hundred sixteen thousand, two hundred eighty".