140173274 has 4 divisors (see below), whose sum is σ = 210259914. Its totient is φ = 70086636.

The previous prime is 140173259. The next prime is 140173277. The reversal of 140173274 is 472371041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 472371041 = 101 ⋅4676941.

It can be written as a sum of positive squares in only one way, i.e., 71995225 + 68178049 = 8485^2 + 8257^2 .

It is not an unprimeable number, because it can be changed into a prime (140173277) 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 as a sum of consecutive naturals, namely, 35043317 + ... + 35043320.

Almost surely, 2^140173274 is an apocalyptic number.

140173274 is a deficient number, since it is larger than the sum of its proper divisors (70086640).

140173274 is an equidigital number, since it uses as much as digits as its factorization.

140173274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70086639.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 140173274 is about 11839.4794649089. The cubic root of 140173274 is about 519.4635419209.

The spelling of 140173274 in words is "one hundred forty million, one hundred seventy-three thousand, two hundred seventy-four".