140240668777427 has 32 divisors (see below), whose sum is σ = 148085221939200. Its totient is φ = 132677729712000.

The previous prime is 140240668777411. The next prime is 140240668777441. The reversal of 140240668777427 is 724777866042041.

It is a cyclic number.

It is not a de Polignac number, because 140240668777427 - 2⁴ = 140240668777411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140240668777457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 558248474 + ... + 558499632.

It is an arithmetic number, because the mean of its divisors is an integer number (4627663185600).

Almost surely, 2^{140240668777427} is an apocalyptic number.

140240668777427 is a deficient number, since it is larger than the sum of its proper divisors (7844553161773).

140240668777427 is a wasteful number, since it uses less digits than its factorization.

140240668777427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254627.

The product of its (nonzero) digits is 177020928, while the sum is 65.

The spelling of 140240668777427 in words is "one hundred forty trillion, two hundred forty billion, six hundred sixty-eight million, seven hundred seventy-seven thousand, four hundred twenty-seven".