140743622 has 4 divisors (see below), whose sum is σ = 211115436. Its totient is φ = 70371810.

The previous prime is 140743613. The next prime is 140743633. The reversal of 140743622 is 226347041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 226347041 = 389 ⋅581869.

It is a congruent number.

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, 35185904 + ... + 35185907.

It is an arithmetic number, because the mean of its divisors is an integer number (52778859).

Almost surely, 2^140743622 is an apocalyptic number.

140743622 is a deficient number, since it is larger than the sum of its proper divisors (70371814).

140743622 is an equidigital number, since it uses as much as digits as its factorization.

140743622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70371813.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 140743622 is about 11863.5417140077. The cubic root of 140743622 is about 520.1671331596.

The spelling of 140743622 in words is "one hundred forty million, seven hundred forty-three thousand, six hundred twenty-two".