140385074 has 4 divisors (see below), whose sum is σ = 210577614. Its totient is φ = 70192536.

The previous prime is 140385061. The next prime is 140385079. The reversal of 140385074 is 470583041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 470583041 = 4219 ⋅111539.

It can be written as a sum of positive squares in only one way, i.e., 115455025 + 24930049 = 10745^2 + 4993^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140385074.

It is not an unprimeable number, because it can be changed into a prime (140385079) by changing a digit.

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 as a sum of consecutive naturals, namely, 35096267 + ... + 35096270.

Almost surely, 2^140385074 is an apocalyptic number.

140385074 is a deficient number, since it is larger than the sum of its proper divisors (70192540).

140385074 is an equidigital number, since it uses as much as digits as its factorization.

140385074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70192539.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 140385074 is about 11848.4207386470. The cubic root of 140385074 is about 519.7250444822.

The spelling of 140385074 in words is "one hundred forty million, three hundred eighty-five thousand, seventy-four".