2135294915616 has 36 divisors (see below), whose sum is σ = 6072244917102. Its totient is φ = 711764971776.

The previous prime is 2135294915609. The next prime is 2135294915623. The reversal of 2135294915616 is 6165194925312.

It is a happy number.

2135294915616 is a `hidden beast` number, since 2 + 1 + 3 + 5 + 2 + 9 + 4 + 9 + 15 + 616 = 666.

It is an interprime number because it is at equal distance from previous prime (2135294915609) and next prime (2135294915623).

It can be written as a sum of positive squares in only one way, i.e., 2130140250000 + 5154665616 = 1459500^2 + 71796^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3707108941 + ... + 3707109516.

Almost surely, 2^{2135294915616} is an apocalyptic number.

It is an amenable number.

2135294915616 is an abundant number, since it is smaller than the sum of its proper divisors (3936950001486).

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

2135294915616 is a wasteful number, since it uses less digits than its factorization.

2135294915616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7414218473 (or 7414218462 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 54.

The spelling of 2135294915616 in words is "two trillion, one hundred thirty-five billion, two hundred ninety-four million, nine hundred fifteen thousand, six hundred sixteen".