139065000 has 160 divisors (see below), whose sum is σ = 443857920. Its totient is φ = 36288000.

The previous prime is 139064993. The next prime is 139065007. The reversal of 139065000 is 560931.

It is an interprime number because it is at equal distance from previous prime (139064993) and next prime (139065007).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (139065007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1094937 + ... + 1095063.

It is an arithmetic number, because the mean of its divisors is an integer number (2774112).

Almost surely, 2^139065000 is an apocalyptic number.

139065000 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 139065000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221928960).

139065000 is an abundant number, since it is smaller than the sum of its proper divisors (304792920).

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

139065000 is a wasteful number, since it uses less digits than its factorization.

139065000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 139065000 is about 11792.5824143824. The cubic root of 139065000 is about 518.0908791421.

The spelling of 139065000 in words is "one hundred thirty-nine million, sixty-five thousand".