140104230491 has 32 divisors (see below), whose sum is σ = 155125974528. Its totient is φ = 126011092480.

The previous prime is 140104230467. The next prime is 140104230557. The reversal of 140104230491 is 194032401041.

It is a cyclic number.

It is not a de Polignac number, because 140104230491 - 2²² = 140100036187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140104230691) 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, 5296400 + ... + 5322786.

It is an arithmetic number, because the mean of its divisors is an integer number (4847686704).

Almost surely, 2^140104230491 is an apocalyptic number.

140104230491 is a deficient number, since it is larger than the sum of its proper divisors (15021744037).

140104230491 is a wasteful number, since it uses less digits than its factorization.

140104230491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26611.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 140104230491 in words is "one hundred forty billion, one hundred four million, two hundred thirty thousand, four hundred ninety-one".