139224896 has 28 divisors (see below), whose sum is σ = 280964640. Its totient is φ = 68430720.

The previous prime is 139224887. The next prime is 139224923. The reversal of 139224896 is 698422931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14660 + ... + 22211.

Almost surely, 2^139224896 is an apocalyptic number.

139224896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139224896 is an abundant number, since it is smaller than the sum of its proper divisors (141739744).

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

139224896 is an equidigital number, since it uses as much as digits as its factorization.

139224896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36942 (or 36932 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 139224896 is about 11799.3599826431. The cubic root of 139224896 is about 518.2893688881.

The spelling of 139224896 in words is "one hundred thirty-nine million, two hundred twenty-four thousand, eight hundred ninety-six".