140916168 has 48 divisors (see below), whose sum is σ = 385601580. Its totient is φ = 46485504.

The previous prime is 140916157. The next prime is 140916187. The reversal of 140916168 is 861619041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 140138244 + 777924 = 11838^2 + 882^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3105 + ... + 17072.

Almost surely, 2^140916168 is an apocalyptic number.

140916168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

140916168 is an abundant number, since it is smaller than the sum of its proper divisors (244685412).

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

140916168 is a wasteful number, since it uses less digits than its factorization.

140916168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20286 (or 20279 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 140916168 is about 11870.8115982017. The cubic root of 140916168 is about 520.3796143224.

The spelling of 140916168 in words is "one hundred forty million, nine hundred sixteen thousand, one hundred sixty-eight".