140014540 has 12 divisors (see below), whose sum is σ = 294030576. Its totient is φ = 56005808.

The previous prime is 140014531. The next prime is 140014559. The reversal of 140014540 is 45410041.

It is a super-2 number, since 2×140014540² = 39208142822823200, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3500344 + ... + 3500383.

It is an arithmetic number, because the mean of its divisors is an integer number (24502548).

Almost surely, 2^140014540 is an apocalyptic number.

140014540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140014540 is an abundant number, since it is smaller than the sum of its proper divisors (154016036).

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

140014540 is a wasteful number, since it uses less digits than its factorization.

140014540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000736 (or 7000734 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 140014540 is about 11832.7739773901. The cubic root of 140014540 is about 519.2673854829.

Adding to 140014540 its reverse (45410041), we get a palindrome (185424581).

The spelling of 140014540 in words is "one hundred forty million, fourteen thousand, five hundred forty".