139268000 has 96 divisors (see below), whose sum is σ = 351803088. Its totient is φ = 54144000.

The previous prime is 139267993. The next prime is 139268011. The reversal of 139268000 is 862931.

It can be written as a sum of positive squares in 8 ways, for example, as 28344976 + 110923024 = 5324^2 + 10532^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147530 + ... + 148470.

Almost surely, 2^139268000 is an apocalyptic number.

139268000 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 139268000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175901544).

139268000 is an abundant number, since it is smaller than the sum of its proper divisors (212535088).

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

139268000 is an equidigital number, since it uses as much as digits as its factorization.

139268000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 139268000 is about 11801.1863810381. The cubic root of 139268000 is about 518.3428507975.

The spelling of 139268000 in words is "one hundred thirty-nine million, two hundred sixty-eight thousand".