139082000 has 80 divisors (see below), whose sum is σ = 338964912. Its totient is φ = 55193600.

The previous prime is 139081997. The next prime is 139082003. The reversal of 139082000 is 280931.

139082000 = T₃₆₉ + T₃₇₀ + ... + T₉₅₉.

It is an interprime number because it is at equal distance from previous prime (139081997) and next prime (139082003).

It can be written as a sum of positive squares in 8 ways, for example, as 14714896 + 124367104 = 3836^2 + 11152^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (139082003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393824 + ... + 394176.

Almost surely, 2^139082000 is an apocalyptic number.

139082000 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 139082000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169482456).

139082000 is an abundant number, since it is smaller than the sum of its proper divisors (199882912).

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

139082000 is a wasteful number, since it uses less digits than its factorization.

139082000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 139082000 is about 11793.3031844348. The cubic root of 139082000 is about 518.1119896205. Note that the first 3 decimals are identical.

The spelling of 139082000 in words is "one hundred thirty-nine million, eighty-two thousand".