140223151 has 2 divisors, whose sum is σ = 140223152. Its totient is φ = 140223150.

The previous prime is 140223143. The next prime is 140223227. The reversal of 140223151 is 151322041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140223151 - 2³ = 140223143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140223101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70111575 + 70111576.

It is an arithmetic number, because the mean of its divisors is an integer number (70111576).

Almost surely, 2^140223151 is an apocalyptic number.

140223151 is a deficient number, since it is larger than the sum of its proper divisors (1).

140223151 is an equidigital number, since it uses as much as digits as its factorization.

140223151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 140223151 is about 11841.5856624018. The cubic root of 140223151 is about 519.5251471278.

Adding to 140223151 its reverse (151322041), we get a palindrome (291545192).

The spelling of 140223151 in words is "one hundred forty million, two hundred twenty-three thousand, one hundred fifty-one".