140636120 has 16 divisors (see below), whose sum is σ = 316431360. Its totient is φ = 56254432.

The previous prime is 140636063. The next prime is 140636123. The reversal of 140636120 is 21636041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140636123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1757912 + ... + 1757991.

It is an arithmetic number, because the mean of its divisors is an integer number (19776960).

Almost surely, 2^140636120 is an apocalyptic number.

140636120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140636120 is an abundant number, since it is smaller than the sum of its proper divisors (175795240).

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

140636120 is a wasteful number, since it uses less digits than its factorization.

140636120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515914 (or 3515910 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 140636120 is about 11859.0100767307. The cubic root of 140636120 is about 520.0346623837.

The spelling of 140636120 in words is "one hundred forty million, six hundred thirty-six thousand, one hundred twenty".