140530 has 32 divisors (see below), whose sum is σ = 290304. Its totient is φ = 48576.

The previous prime is 140527. The next prime is 140533. The reversal of 140530 is 35041.

It is an interprime number because it is at equal distance from previous prime (140527) and next prime (140533).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 140530.

It is not an unprimeable number, because it can be changed into a prime (140533) 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, 2967 + ... + 3013.

It is an arithmetic number, because the mean of its divisors is an integer number (9072).

2¹⁴⁰⁵³⁰ is an apocalyptic number.

140530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140530 is an abundant number, since it is smaller than the sum of its proper divisors (149774).

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

140530 is a wasteful number, since it uses less digits than its factorization.

140530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 140530 is about 374.8733119335. The cubic root of 140530 is about 51.9903828368.

Adding to 140530 its reverse (35041), we get a palindrome (175571).

The spelling of 140530 in words is "one hundred forty thousand, five hundred thirty".