140342735 has 48 divisors (see below), whose sum is σ = 199702272. Its totient is φ = 94003200.

The previous prime is 140342707. The next prime is 140342737. The reversal of 140342735 is 537243041.

It is a happy number.

It is not a de Polignac number, because 140342735 - 2⁸ = 140342479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140342698 and 140342707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140342737) 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 47 ways as a sum of consecutive naturals, for example, 582215 + ... + 582455.

It is an arithmetic number, because the mean of its divisors is an integer number (4160464).

Almost surely, 2^140342735 is an apocalyptic number.

140342735 is a deficient number, since it is larger than the sum of its proper divisors (59359537).

140342735 is a wasteful number, since it uses less digits than its factorization.

140342735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 140342735 is about 11846.6339101029. The cubic root of 140342735 is about 519.6727909424.

Adding to 140342735 its reverse (537243041), we get a palindrome (677585776).

The spelling of 140342735 in words is "one hundred forty million, three hundred forty-two thousand, seven hundred thirty-five".