140407543 has 8 divisors (see below), whose sum is σ = 144668816. Its totient is φ = 136209600.

The previous prime is 140407537. The next prime is 140407559. The reversal of 140407543 is 345704041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140407543 - 2⁹ = 140407031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140407523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11313 + ... + 20218.

It is an arithmetic number, because the mean of its divisors is an integer number (18083602).

Almost surely, 2^140407543 is an apocalyptic number.

140407543 is a deficient number, since it is larger than the sum of its proper divisors (4261273).

140407543 is an equidigital number, since it uses as much as digits as its factorization.

140407543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31665.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 140407543 is about 11849.3688861475. The cubic root of 140407543 is about 519.7527707894.

The spelling of 140407543 in words is "one hundred forty million, four hundred seven thousand, five hundred forty-three".