223139542 has 8 divisors (see below), whose sum is σ = 334786032. Its totient is φ = 111544200.

The previous prime is 223139533. The next prime is 223139549. The reversal of 223139542 is 245931322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×223139542³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223139549) 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, 1167 + ... + 21157.

It is an arithmetic number, because the mean of its divisors is an integer number (41848254).

Almost surely, 2^223139542 is an apocalyptic number.

223139542 is a deficient number, since it is larger than the sum of its proper divisors (111646490).

223139542 is a wasteful number, since it uses less digits than its factorization.

223139542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25574.

The product of its digits is 12960, while the sum is 31.

The square root of 223139542 is about 14937.8560041259. The cubic root of 223139542 is about 606.5391604324.

The spelling of 223139542 in words is "two hundred twenty-three million, one hundred thirty-nine thousand, five hundred forty-two".