140121055354554 has 48 divisors (see below), whose sum is σ = 303878255975424. Its totient is φ = 46663538056800.

The previous prime is 140121055354541. The next prime is 140121055354589. The reversal of 140121055354554 is 455453550121041.

140121055354554 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 2 + 1 + 0 + 5 + 53 + 545 + 54 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1355202199 + ... + 1355305589.

It is an arithmetic number, because the mean of its divisors is an integer number (6330796999488).

Almost surely, 2^{140121055354554} is an apocalyptic number.

140121055354554 is an abundant number, since it is smaller than the sum of its proper divisors (163757200620870).

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

140121055354554 is a wasteful number, since it uses less digits than its factorization.

140121055354554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172763 (or 172760 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 45.

The spelling of 140121055354554 in words is "one hundred forty trillion, one hundred twenty-one billion, fifty-five million, three hundred fifty-four thousand, five hundred fifty-four".