223457139 has 6 divisors (see below), whose sum is σ = 322771436. Its totient is φ = 148971420.

The previous prime is 223457099. The next prime is 223457141. The reversal of 223457139 is 931754322.

223457139 is a `hidden beast` number, since 22 + 34 + 571 + 39 = 666.

It is not a de Polignac number, because 223457139 - 2¹¹ = 223455091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223457149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12414277 + ... + 12414294.

Almost surely, 2^223457139 is an apocalyptic number.

223457139 is a deficient number, since it is larger than the sum of its proper divisors (99314297).

223457139 is a wasteful number, since it uses less digits than its factorization.

223457139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24828577 (or 24828574 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 223457139 is about 14948.4828327158. The cubic root of 223457139 is about 606.8267886657.

The spelling of 223457139 in words is "two hundred twenty-three million, four hundred fifty-seven thousand, one hundred thirty-nine".