140424274 has 4 divisors (see below), whose sum is σ = 210636414. Its totient is φ = 70212136.

The previous prime is 140424259. The next prime is 140424313. The reversal of 140424274 is 472424041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 102515625 + 37908649 = 10125^2 + 6157^2 .

It is a super-3 number, since 3×140424274³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

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, 35106067 + ... + 35106070.

Almost surely, 2^140424274 is an apocalyptic number.

140424274 is a deficient number, since it is larger than the sum of its proper divisors (70212140).

140424274 is an equidigital number, since it uses as much as digits as its factorization.

140424274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70212139.

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 140424274 is about 11850.0748520843. The cubic root of 140424274 is about 519.7734145954.

The spelling of 140424274 in words is "one hundred forty million, four hundred twenty-four thousand, two hundred seventy-four".