139024704 has 224 divisors, whose sum is σ = 463133440. Its totient is φ = 35831808.

The previous prime is 139024687. The next prime is 139024757. The reversal of 139024704 is 407420931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1275402 + ... + 1275510.

It is an arithmetic number, because the mean of its divisors is an integer number (2067560).

Almost surely, 2^139024704 is an apocalyptic number.

139024704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139024704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231566720).

139024704 is an abundant number, since it is smaller than the sum of its proper divisors (324108736).

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

139024704 is a wasteful number, since it uses less digits than its factorization.

139024704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 139024704 is about 11790.8737589714. The cubic root of 139024704 is about 518.0408329841.

The spelling of 139024704 in words is "one hundred thirty-nine million, twenty-four thousand, seven hundred four".