140123254291 has 2 divisors, whose sum is σ = 140123254292. Its totient is φ = 140123254290.

The previous prime is 140123254283. The next prime is 140123254351. The reversal of 140123254291 is 192452321041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140123254291 - 2³ = 140123254283 is a prime.

It is not a weakly prime, because it can be changed into another prime (140123251291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70061627145 + 70061627146.

It is an arithmetic number, because the mean of its divisors is an integer number (70061627146).

Almost surely, 2^140123254291 is an apocalyptic number.

140123254291 is a deficient number, since it is larger than the sum of its proper divisors (1).

140123254291 is an equidigital number, since it uses as much as digits as its factorization.

140123254291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 140123254291 in words is "one hundred forty billion, one hundred twenty-three million, two hundred fifty-four thousand, two hundred ninety-one".