223268139 has 6 divisors (see below), whose sum is σ = 322498436. Its totient is φ = 148845420.

The previous prime is 223268137. The next prime is 223268167. The reversal of 223268139 is 931862322.

It is not a de Polignac number, because 223268139 - 2¹ = 223268137 is a prime.

It is a super-3 number, since 3×223268139³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223268131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12403777 + ... + 12403794.

Almost surely, 2^223268139 is an apocalyptic number.

223268139 is a deficient number, since it is larger than the sum of its proper divisors (99230297).

223268139 is a wasteful number, since it uses less digits than its factorization.

223268139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24807577 (or 24807574 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 223268139 is about 14942.1597836457. The cubic root of 223268139 is about 606.6556557529.

The spelling of 223268139 in words is "two hundred twenty-three million, two hundred sixty-eight thousand, one hundred thirty-nine".