140525521643530 has 16 divisors (see below), whose sum is σ = 253953691707744. Its totient is φ = 55986263602000.

The previous prime is 140525521643461. The next prime is 140525521643531. The reversal of 140525521643530 is 35346125525041.

It is not an unprimeable number, because it can be changed into a prime (140525521643531) 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, 27993129292 + ... + 27993134311.

It is an arithmetic number, because the mean of its divisors is an integer number (15872105731734).

Almost surely, 2^{140525521643530} is an apocalyptic number.

140525521643530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140525521643530 is a deficient number, since it is larger than the sum of its proper divisors (113428170064214).

140525521643530 is a wasteful number, since it uses less digits than its factorization.

140525521643530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55986263861.

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 140525521643530 in words is "one hundred forty trillion, five hundred twenty-five billion, five hundred twenty-one million, six hundred forty-three thousand, five hundred thirty".