140405052005523 has 12 divisors (see below), whose sum is σ = 211625005921680. Its totient is φ = 89533656351216.

The previous prime is 140405052005501. The next prime is 140405052005609. The reversal of 140405052005523 is 325500250504041.

140405052005523 is a `hidden beast` number, since 1 + 4 + 0 + 4 + 0 + 50 + 52 + 0 + 0 + 552 + 3 = 666.

It is not a de Polignac number, because 140405052005523 - 2⁹ = 140405052005011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140405052005623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339142637488 + ... + 339142637901.

It is an arithmetic number, because the mean of its divisors is an integer number (17635417160140).

Almost surely, 2^{140405052005523} is an apocalyptic number.

140405052005523 is a deficient number, since it is larger than the sum of its proper divisors (71219953916157).

140405052005523 is a wasteful number, since it uses less digits than its factorization.

140405052005523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678285275418 (or 678285275415 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 140405052005523 in words is "one hundred forty trillion, four hundred five billion, fifty-two million, five thousand, five hundred twenty-three".