140163912 has 384 divisors, whose sum is σ = 517104000. Its totient is φ = 34836480.

The previous prime is 140163857. The next prime is 140163923. The reversal of 140163912 is 219361041.

140163912 is a `hidden beast` number, since 14 + 0 + 1 + 639 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 3418612 + ... + 3418652.

It is an arithmetic number, because the mean of its divisors is an integer number (1346625).

Almost surely, 2^140163912 is an apocalyptic number.

140163912 is a gapful number since it is divisible by the number (12) 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 140163912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258552000).

140163912 is an abundant number, since it is smaller than the sum of its proper divisors (376940088).

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

140163912 is a wasteful number, since it uses less digits than its factorization.

140163912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 140163912 is about 11839.0840861952. The cubic root of 140163912 is about 519.4519768871.

The spelling of 140163912 in words is "one hundred forty million, one hundred sixty-three thousand, nine hundred twelve".