140124641663 has 4 divisors (see below), whose sum is σ = 140125469640. Its totient is φ = 140123813688.

The previous prime is 140124641621. The next prime is 140124641669. The reversal of 140124641663 is 366146421041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 366146421041 = 6343 ⋅57724487.

It is a cyclic number.

It is not a de Polignac number, because 140124641663 - 2¹⁴ = 140124625279 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 (140124641669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58220 + ... + 532577.

It is an arithmetic number, because the mean of its divisors is an integer number (35031367410).

Almost surely, 2^140124641663 is an apocalyptic number.

140124641663 is a deficient number, since it is larger than the sum of its proper divisors (827977).

140124641663 is an equidigital number, since it uses as much as digits as its factorization.

140124641663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827976.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 140124641663 in words is "one hundred forty billion, one hundred twenty-four million, six hundred forty-one thousand, six hundred sixty-three".