652140 has 36 divisors (see below), whose sum is σ = 1978704. Its totient is φ = 173856.

The previous prime is 652121. The next prime is 652153. The reversal of 652140 is 41256.

It is a happy number.

652140 is a `hidden beast` number, since 652 + 14 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 652140.

It is an unprimeable number.

652140 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1632 + ... + 1991.

It is an arithmetic number, because the mean of its divisors is an integer number (54964).

2⁶⁵²¹⁴⁰ is an apocalyptic number.

652140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

652140 is an abundant number, since it is smaller than the sum of its proper divisors (1326564).

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

652140 is a wasteful number, since it uses less digits than its factorization.

652140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638 (or 3633 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 652140 is about 807.5518559201. The cubic root of 652140 is about 86.7188705866.

Adding to 652140 its reverse (41256), we get a palindrome (693396).

It can be divided in two parts, 6521 and 40, that added together give a 8-th power (6561 = 3⁸).

The spelling of 652140 in words is "six hundred fifty-two thousand, one hundred forty".