140292223 has 4 divisors (see below), whose sum is σ = 141363288. Its totient is φ = 139221160.

The previous prime is 140292193. The next prime is 140292239. The reversal of 140292223 is 322292041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322292041 = 19 ⋅16962739.

It is a cyclic number.

It is not a de Polignac number, because 140292223 - 2¹³ = 140284031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140292263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535336 + ... + 535597.

It is an arithmetic number, because the mean of its divisors is an integer number (35340822).

Almost surely, 2^140292223 is an apocalyptic number.

140292223 is a deficient number, since it is larger than the sum of its proper divisors (1071065).

140292223 is a wasteful number, since it uses less digits than its factorization.

140292223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071064.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 140292223 is about 11844.5018046349. The cubic root of 140292223 is about 519.6104367780.

The spelling of 140292223 in words is "one hundred forty million, two hundred ninety-two thousand, two hundred twenty-three".