2135383433820 has 288 divisors, whose sum is σ = 8391683489280. Its totient is φ = 426829616640.

The previous prime is 2135383433803. The next prime is 2135383433831. The reversal of 2135383433820 is 283343835312.

2135383433820 is a `hidden beast` number, since 2 + 1 + 3 + 538 + 3 + 4 + 33 + 82 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3119446 + ... + 3741885.

Almost surely, 2^{2135383433820} is an apocalyptic number.

2135383433820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2135383433820 is an abundant number, since it is smaller than the sum of its proper divisors (6256300055460).

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

2135383433820 is a wasteful number, since it uses less digits than its factorization.

2135383433820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6861385 (or 6861380 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 2135383433820 in words is "two trillion, one hundred thirty-five billion, three hundred eighty-three million, four hundred thirty-three thousand, eight hundred twenty".