913140781056 has 819 divisors, whose sum is σ = 3225653650611. Its totient is φ = 257594867712.

The previous prime is 913140781009. The next prime is 913140781141. The reversal of 913140781056 is 650187041319.

The square root of 913140781056 is 955584.

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

913140781056 is a `hidden beast` number, since 9 + 131 + 407 + 8 + 105 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 11558744025 + ... + 11558744103.

Almost surely, 2^913140781056 is an apocalyptic number.

913140781056 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

913140781056 is the 955584-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 913140781056

913140781056 is an abundant number, since it is smaller than the sum of its proper divisors (2312512869555).

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

913140781056 is an frugal number, since it uses more digits than its factorization.

913140781056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 913140781056 in words is "nine hundred thirteen billion, one hundred forty million, seven hundred eighty-one thousand, fifty-six".