140169683109487 has 16 divisors (see below), whose sum is σ = 145106721622080. Its totient is φ = 135239563065600.

The previous prime is 140169683109479. The next prime is 140169683109523. The reversal of 140169683109487 is 784901386961041.

It is a cyclic number.

It is not a de Polignac number, because 140169683109487 - 2³ = 140169683109479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140169683109787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732009937 + ... + 732201397.

It is an arithmetic number, because the mean of its divisors is an integer number (9069170101380).

Almost surely, 2^{140169683109487} is an apocalyptic number.

140169683109487 is a deficient number, since it is larger than the sum of its proper divisors (4937038512593).

140169683109487 is a wasteful number, since it uses less digits than its factorization.

140169683109487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209394.

The product of its (nonzero) digits is 62705664, while the sum is 67.

The spelling of 140169683109487 in words is "one hundred forty trillion, one hundred sixty-nine billion, six hundred eighty-three million, one hundred nine thousand, four hundred eighty-seven".