140154451415252 has 24 divisors (see below), whose sum is σ = 245576186768640. Its totient is φ = 69989850856800.

The previous prime is 140154451415149. The next prime is 140154451415263. The reversal of 140154451415252 is 252514154451041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20137013 + ... + 26187939.

It is an arithmetic number, because the mean of its divisors is an integer number (10232341115360).

Almost surely, 2^{140154451415252} is an apocalyptic number.

It is an amenable number.

140154451415252 is a deficient number, since it is larger than the sum of its proper divisors (105421735353388).

140154451415252 is a wasteful number, since it uses less digits than its factorization.

140154451415252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6058151 (or 6058149 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 44.

The spelling of 140154451415252 in words is "one hundred forty trillion, one hundred fifty-four billion, four hundred fifty-one million, four hundred fifteen thousand, two hundred fifty-two".