139270320 has 320 divisors, whose sum is σ = 560916480. Its totient is φ = 31104000.

The previous prime is 139270309. The next prime is 139270333. The reversal of 139270320 is 23072931.

It is a super-3 number, since 3×139270320³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 922245 + ... + 922395.

It is an arithmetic number, because the mean of its divisors is an integer number (1752864).

Almost surely, 2^139270320 is an apocalyptic number.

139270320 is a gapful number since it is divisible by the number (10) 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 139270320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280458240).

139270320 is an abundant number, since it is smaller than the sum of its proper divisors (421646160).

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

139270320 is a wasteful number, since it uses less digits than its factorization.

139270320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 139270320 is about 11801.2846758308. The cubic root of 139270320 is about 518.3457290580.

The spelling of 139270320 in words is "one hundred thirty-nine million, two hundred seventy thousand, three hundred twenty".