140735497 has 6 divisors (see below), whose sum is σ = 163712778. Its totient is φ = 120630384.

The previous prime is 140735477. The next prime is 140735509. The reversal of 140735497 is 794537041.

It can be written as a sum of positive squares in only one way, i.e., 75707401 + 65028096 = 8701^2 + 8064^2 .

It is not a de Polignac number, because 140735497 - 2⁷ = 140735369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140735477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1436028 + ... + 1436125.

It is an arithmetic number, because the mean of its divisors is an integer number (27285463).

Almost surely, 2^140735497 is an apocalyptic number.

It is an amenable number.

140735497 is a deficient number, since it is larger than the sum of its proper divisors (22977281).

140735497 is an equidigital number, since it uses as much as digits as its factorization.

140735497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872167 (or 2872160 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 140735497 is about 11863.1992733832. The cubic root of 140735497 is about 520.1571233768.

The spelling of 140735497 in words is "one hundred forty million, seven hundred thirty-five thousand, four hundred ninety-seven".