140105305542252 has 12 divisors (see below), whose sum is σ = 326912379598616. Its totient is φ = 46701768514080.

The previous prime is 140105305542233. The next prime is 140105305542289. The reversal of 140105305542252 is 252245503501041.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 140105305542252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5837721064249 + ... + 5837721064272.

Almost surely, 2^{140105305542252} is an apocalyptic number.

140105305542252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140105305542252 is an abundant number, since it is smaller than the sum of its proper divisors (186807074056364).

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

140105305542252 is a wasteful number, since it uses less digits than its factorization.

140105305542252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11675442128528 (or 11675442128526 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 140105305542252 in words is "one hundred forty trillion, one hundred five billion, three hundred five million, five hundred forty-two thousand, two hundred fifty-two".