1235005470864 has 135 divisors (see below), whose sum is σ = 3799524893619. Its totient is φ = 374199629760.

The previous prime is 1235005470859. The next prime is 1235005470883. The reversal of 1235005470864 is 4680745005321.

The square root of 1235005470864 is 1111308.

It is a perfect power (a square), and thus also a powerful number.

1235005470864 is a `hidden beast` number, since 1 + 23 + 5 + 0 + 0 + 547 + 0 + 86 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 146688447 + ... + 146696865.

Almost surely, 2^{1235005470864} is an apocalyptic number.

1235005470864 is the 1111308-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1235005470864

1235005470864 is an abundant number, since it is smaller than the sum of its proper divisors (2564519422755).

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

1235005470864 is an frugal number, since it uses more digits than its factorization.

1235005470864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16874 (or 8435 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 1235005470864 in words is "one trillion, two hundred thirty-five billion, five million, four hundred seventy thousand, eight hundred sixty-four".