135462470728 has 32 divisors (see below), whose sum is σ = 274304935800. Its totient is φ = 62344009728.

The previous prime is 135462470713. The next prime is 135462470729. The reversal of 135462470728 is 827074264531.

It can be written as a sum of positive squares in 4 ways, for example, as 85580821764 + 49881648964 = 292542^2 + 223342^2 .

It is not an unprimeable number, because it can be changed into a prime (135462470729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1808223 + ... + 1881646.

Almost surely, 2^135462470728 is an apocalyptic number.

It is an amenable number.

135462470728 is an abundant number, since it is smaller than the sum of its proper divisors (138842465072).

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

135462470728 is a wasteful number, since it uses less digits than its factorization.

135462470728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690241 (or 3690237 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 135462470728 in words is "one hundred thirty-five billion, four hundred sixty-two million, four hundred seventy thousand, seven hundred twenty-eight".