140463778988736 has 504 divisors, whose sum is σ = 486312374323776. Its totient is φ = 40081342855680.

The previous prime is 140463778988719. The next prime is 140463778988747. The reversal of 140463778988736 is 637889877364041.

140463778988736 is a `hidden beast` number, since 1 + 4 + 0 + 463 + 7 + 7 + 8 + 9 + 88 + 73 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (504).

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 599614671 + ... + 599848881.

Almost surely, 2^{140463778988736} is an apocalyptic number.

140463778988736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140463778988736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243156187161888).

140463778988736 is an abundant number, since it is smaller than the sum of its proper divisors (345848595335040).

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

140463778988736 is an equidigital number, since it uses as much as digits as its factorization.

140463778988736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235039 (or 235010 counting only the distinct ones).

The product of its (nonzero) digits is 8193540096, while the sum is 81.

The spelling of 140463778988736 in words is "one hundred forty trillion, four hundred sixty-three billion, seven hundred seventy-eight million, nine hundred eighty-eight thousand, seven hundred thirty-six".