2135400260652 has 18 divisors (see below), whose sum is σ = 5397817325628. Its totient is φ = 711800086872.

The previous prime is 2135400260579. The next prime is 2135400260659. The reversal of 2135400260652 is 2560620045312.

2135400260652 is a `hidden beast` number, since 2 + 1 + 3 + 5 + 40 + 0 + 2 + 606 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 59316673907 = 2135400260652 / (2 + 1 + 3 + 5 + 4 + 0 + 0 + 2 + 6 + 0 + 6 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (2135400260659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29658336918 + ... + 29658336989.

Almost surely, 2^{2135400260652} is an apocalyptic number.

It is an amenable number.

2135400260652 is an abundant number, since it is smaller than the sum of its proper divisors (3262417064976).

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

2135400260652 is a wasteful number, since it uses less digits than its factorization.

2135400260652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59316673917 (or 59316673912 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 2135400260652 in words is "two trillion, one hundred thirty-five billion, four hundred million, two hundred sixty thousand, six hundred fifty-two".