139246224 has 40 divisors (see below), whose sum is σ = 387391872. Its totient is φ = 42844800.

The previous prime is 139246223. The next prime is 139246241. The reversal of 139246224 is 422642931.

It is a super-3 number, since 3×139246224³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (139246223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110952 + ... + 112199.

Almost surely, 2^139246224 is an apocalyptic number.

It is an amenable number.

139246224 is an abundant number, since it is smaller than the sum of its proper divisors (248145648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139246224 is a wasteful number, since it uses less digits than its factorization.

139246224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223175 (or 223169 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 139246224 is about 11800.2637258665. The cubic root of 139246224 is about 518.3158332910.

The spelling of 139246224 in words is "one hundred thirty-nine million, two hundred forty-six thousand, two hundred twenty-four".