139119224 has 8 divisors (see below), whose sum is σ = 260848560. Its totient is φ = 69559608.

The previous prime is 139119221. The next prime is 139119241. The reversal of 139119224 is 422911931.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139119221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8694944 + ... + 8694959.

It is an arithmetic number, because the mean of its divisors is an integer number (32606070).

Almost surely, 2^139119224 is an apocalyptic number.

It is an amenable number.

139119224 is a deficient number, since it is larger than the sum of its proper divisors (121729336).

139119224 is a wasteful number, since it uses less digits than its factorization.

139119224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17389909 (or 17389905 counting only the distinct ones).

The product of its digits is 3888, while the sum is 32.

The square root of 139119224 is about 11794.8812626495. The cubic root of 139119224 is about 518.1582081112.

The spelling of 139119224 in words is "one hundred thirty-nine million, one hundred nineteen thousand, two hundred twenty-four".