139570144 has 48 divisors (see below), whose sum is σ = 317858688. Its totient is φ = 59087232.

The previous prime is 139570139. The next prime is 139570159. The reversal of 139570144 is 441075931.

139570144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 14839 + ... + 22345.

It is an arithmetic number, because the mean of its divisors is an integer number (6622056).

Almost surely, 2^139570144 is an apocalyptic number.

139570144 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 139570144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158929344).

139570144 is an abundant number, since it is smaller than the sum of its proper divisors (178288544).

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

139570144 is an equidigital number, since it uses as much as digits as its factorization.

139570144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7607 (or 7599 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 139570144 is about 11813.9808701386. The cubic root of 139570144 is about 518.7174308870.

The spelling of 139570144 in words is "one hundred thirty-nine million, five hundred seventy thousand, one hundred forty-four".