140620 has 24 divisors (see below), whose sum is σ = 302400. Its totient is φ = 54912.

The previous prime is 140617. The next prime is 140627. The reversal of 140620 is 26041.

It is a self number, because there is not a number n which added to its sum of digits gives 140620.

It is not an unprimeable number, because it can be changed into a prime (140627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1536 + ... + 1624.

It is an arithmetic number, because the mean of its divisors is an integer number (12600).

2¹⁴⁰⁶²⁰ is an apocalyptic number.

140620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140620 is an abundant number, since it is smaller than the sum of its proper divisors (161780).

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

140620 is a wasteful number, since it uses less digits than its factorization.

140620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 140620 is about 374.9933332741. The cubic root of 140620 is about 52.0014792479.

Adding to 140620 its reverse (26041), we get a palindrome (166661).

The spelling of 140620 in words is "one hundred forty thousand, six hundred twenty".