139029248 has 72 divisors (see below), whose sum is σ = 292741680. Its totient is φ = 65802240.

The previous prime is 139029223. The next prime is 139029283. The reversal of 139029248 is 842920931.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452711 + ... + 453017.

Almost surely, 2^139029248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139029248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146370840).

139029248 is an abundant number, since it is smaller than the sum of its proper divisors (153712432).

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

139029248 is an equidigital number, since it uses as much as digits as its factorization.

139029248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 139029248 is about 11791.0664487993. The cubic root of 139029248 is about 518.0464769496.

The spelling of 139029248 in words is "one hundred thirty-nine million, twenty-nine thousand, two hundred forty-eight".