140463456 has 96 divisors (see below), whose sum is σ = 431278848. Its totient is φ = 39191040.

The previous prime is 140463451. The next prime is 140463487. The reversal of 140463456 is 654364041.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140463451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26466 + ... + 31326.

It is an arithmetic number, because the mean of its divisors is an integer number (4492488).

Almost surely, 2^140463456 is an apocalyptic number.

140463456 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 140463456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215639424).

140463456 is an abundant number, since it is smaller than the sum of its proper divisors (290815392).

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

140463456 is a wasteful number, since it uses less digits than its factorization.

140463456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4924 (or 4916 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 140463456 is about 11851.7279752785. The cubic root of 140463456 is about 519.8217535030.

The spelling of 140463456 in words is "one hundred forty million, four hundred sixty-three thousand, four hundred fifty-six".