140653530 has 64 divisors (see below), whose sum is σ = 376721280. Its totient is φ = 37343232.

The previous prime is 140653511. The next prime is 140653531. The reversal of 140653530 is 35356041.

140653530 is a `hidden beast` number, since 1 + 4 + 0 + 653 + 5 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 140653494 and 140653503.

It is not an unprimeable number, because it can be changed into a prime (140653531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68377 + ... + 70403.

It is an arithmetic number, because the mean of its divisors is an integer number (5886270).

Almost surely, 2^140653530 is an apocalyptic number.

140653530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140653530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188360640).

140653530 is an abundant number, since it is smaller than the sum of its proper divisors (236067750).

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

140653530 is a wasteful number, since it uses less digits than its factorization.

140653530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300 (or 2294 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 140653530 is about 11859.7440950469. The cubic root of 140653530 is about 520.0561206688.

The spelling of 140653530 in words is "one hundred forty million, six hundred fifty-three thousand, five hundred thirty".