140403161465856 has 165 divisors, whose sum is σ = 419281480547391. Its totient is φ = 46799916300288.

The previous prime is 140403161465851. The next prime is 140403161465867. The reversal of 140403161465856 is 658564161304041.

The square root of 140403161465856 is 11849184.

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

140403161465856 is a `hidden beast` number, since 1 + 4 + 0 + 4 + 0 + 3 + 16 + 1 + 46 + 585 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (140403161465851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 3412544421 + ... + 3412585563.

Almost surely, 2^{140403161465856} is an apocalyptic number.

140403161465856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

140403161465856 is the 11849184-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140403161465856

140403161465856 is an abundant number, since it is smaller than the sum of its proper divisors (278878319081535).

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

140403161465856 is an frugal number, since it uses more digits than its factorization.

140403161465856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82318 (or 41148 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 140403161465856 in words is "one hundred forty trillion, four hundred three billion, one hundred sixty-one million, four hundred sixty-five thousand, eight hundred fifty-six".