140342120 has 32 divisors (see below), whose sum is σ = 321127200. Its totient is φ = 55184448.

The previous prime is 140342119. The next prime is 140342131. The reversal of 140342120 is 21243041.

140342120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27374 + ... + 32093.

It is an arithmetic number, because the mean of its divisors is an integer number (10035225).

Almost surely, 2^140342120 is an apocalyptic number.

140342120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140342120 is an abundant number, since it is smaller than the sum of its proper divisors (180785080).

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

140342120 is a wasteful number, since it uses less digits than its factorization.

140342120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59537 (or 59533 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 140342120 is about 11846.6079533342. The cubic root of 140342120 is about 519.6720318501.

Adding to 140342120 its reverse (21243041), we get a palindrome (161585161).

The spelling of 140342120 in words is "one hundred forty million, three hundred forty-two thousand, one hundred twenty".