300140 has 24 divisors (see below), whose sum is σ = 646800. Its totient is φ = 116928.

The previous prime is 300137. The next prime is 300149. The reversal of 300140 is 41003.

300140 = T₉₆ + T₉₇ + ... + T₁₃₈.

It is not an unprimeable number, because it can be changed into a prime (300149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686 + ... + 1034.

It is an arithmetic number, because the mean of its divisors is an integer number (26950).

2³⁰⁰¹⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 300140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323400).

300140 is an abundant number, since it is smaller than the sum of its proper divisors (346660).

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

300140 is a wasteful number, since it uses less digits than its factorization.

300140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 300140 is about 547.8503445285. The cubic root of 300140 is about 66.9537067902.

Adding to 300140 its reverse (41003), we get a palindrome (341143).

The spelling of 300140 in words is "three hundred thousand, one hundred forty", and thus it is an iban number.