140140116 has 36 divisors (see below), whose sum is σ = 355403412. Its totient is φ = 46560384.

The previous prime is 140140111. The next prime is 140140153. The reversal of 140140116 is 611041041.

It can be written as a sum of positive squares in 2 ways, for example, as 2547216 + 137592900 = 1596^2 + 11730^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×140140116² = 39278504224986912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140140111) 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 11 ways as a sum of consecutive naturals, for example, 5050 + ... + 17486.

It is an arithmetic number, because the mean of its divisors is an integer number (9872317).

Almost surely, 2^140140116 is an apocalyptic number.

It is an amenable number.

140140116 is an abundant number, since it is smaller than the sum of its proper divisors (215263296).

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

140140116 is a wasteful number, since it uses less digits than its factorization.

140140116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12760 (or 12755 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 140140116 is about 11838.0790671460. The cubic root of 140140116 is about 519.4225789757.

Adding to 140140116 its reverse (611041041), we get a palindrome (751181157).

The spelling of 140140116 in words is "one hundred forty million, one hundred forty thousand, one hundred sixteen".