140356540 has 24 divisors (see below), whose sum is σ = 302716512. Its totient is φ = 54624960.

The previous prime is 140356519. The next prime is 140356583. The reversal of 140356540 is 45653041.

140356540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140356499 and 140356508.

It is a congruent number.

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, 94096 + ... + 95575.

It is an arithmetic number, because the mean of its divisors is an integer number (12613188).

Almost surely, 2^140356540 is an apocalyptic number.

140356540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140356540 is an abundant number, since it is smaller than the sum of its proper divisors (162359972).

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

140356540 is a wasteful number, since it uses less digits than its factorization.

140356540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189717 (or 189715 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 140356540 is about 11847.2165507346. The cubic root of 140356540 is about 519.6898298190.

The spelling of 140356540 in words is "one hundred forty million, three hundred fifty-six thousand, five hundred forty".