140000 has 60 divisors (see below), whose sum is σ = 393624. Its totient is φ = 48000.

The previous prime is 139999. The next prime is 140009. The reversal of 140000 is 41.

140000 is nontrivially palindromic in base 3.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19997 + ... + 20003.

2¹⁴⁰⁰⁰⁰ is an apocalyptic number.

140000 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 140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196812).

140000 is an abundant number, since it is smaller than the sum of its proper divisors (253624).

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

140000 is an frugal number, since it uses more digits than its factorization.

140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37 (or 14 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 140000 is about 374.1657386774. The cubic root of 140000 is about 51.9249410185.

Adding to 140000 its reverse (41), we get a palindrome (140041).

The spelling of 140000 in words is "one hundred forty thousand", and thus it is an iban number.