653335140 has 48 divisors (see below), whose sum is σ = 1925622720. Its totient is φ = 165052800.

The previous prime is 653335139. The next prime is 653335141. The reversal of 653335140 is 41533356.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (653335139) and next prime (653335141).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 653335098 and 653335107.

It is not an unprimeable number, because it can be changed into a prime (653335141) 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, 285411 + ... + 287690.

It is an arithmetic number, because the mean of its divisors is an integer number (40117140).

Almost surely, 2^653335140 is an apocalyptic number.

653335140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

653335140 is an abundant number, since it is smaller than the sum of its proper divisors (1272287580).

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

653335140 is a wasteful number, since it uses less digits than its factorization.

653335140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573132 (or 573130 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 653335140 is about 25560.4213580293. The cubic root of 653335140 is about 867.7181317715.

Adding to 653335140 its reverse (41533356), we get a palindrome (694868496).

The spelling of 653335140 in words is "six hundred fifty-three million, three hundred thirty-five thousand, one hundred forty".