140787046656 has 81 divisors (see below), whose sum is σ = 405975698401. Its totient is φ = 46923012096.

The previous prime is 140787046649. The next prime is 140787046667. The reversal of 140787046656 is 656640787041.

The square root of 140787046656 is 375216.

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

140787046656 is a `hidden beast` number, since 1 + 40 + 78 + 70 + 466 + 5 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 324000000 + 140463046656 = 18000^2 + 374784^2 .

It is a super-2 number, since 2×140787046656² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18006460 + ... + 18014276.

Almost surely, 2^140787046656 is an apocalyptic number.

140787046656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

140787046656 is the 375216-th square number.

It is an amenable number.

140787046656 is an abundant number, since it is smaller than the sum of its proper divisors (265188651745).

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

140787046656 is an frugal number, since it uses more digits than its factorization.

140787046656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15656 (or 7822 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 140787046656 in words is "one hundred forty billion, seven hundred eighty-seven million, forty-six thousand, six hundred fifty-six".