140252722 has 4 divisors (see below), whose sum is σ = 210379086. Its totient is φ = 70126360.

The previous prime is 140252701. The next prime is 140252743. The reversal of 140252722 is 227252041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 227252041 = 31 ⋅7330711.

It is an interprime number because it is at equal distance from previous prime (140252701) and next prime (140252743).

It can be written as a sum of positive squares in only one way, i.e., 106275481 + 33977241 = 10309^2 + 5829^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 35063179 + ... + 35063182.

Almost surely, 2^140252722 is an apocalyptic number.

140252722 is a deficient number, since it is larger than the sum of its proper divisors (70126364).

140252722 is an equidigital number, since it uses as much as digits as its factorization.

140252722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70126363.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 140252722 is about 11842.8342046995. The cubic root of 140252722 is about 519.5616646315.

The spelling of 140252722 in words is "one hundred forty million, two hundred fifty-two thousand, seven hundred twenty-two".