140023120291 has 2 divisors, whose sum is σ = 140023120292. Its totient is φ = 140023120290.

The previous prime is 140023120243. The next prime is 140023120301. The reversal of 140023120291 is 192021320041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140023120291 - 2²⁹ = 139486249379 is a prime.

It is not a weakly prime, because it can be changed into another prime (140023123291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70011560145 + 70011560146.

It is an arithmetic number, because the mean of its divisors is an integer number (70011560146).

Almost surely, 2^140023120291 is an apocalyptic number.

140023120291 is a deficient number, since it is larger than the sum of its proper divisors (1).

140023120291 is an equidigital number, since it uses as much as digits as its factorization.

140023120291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 140023120291 in words is "one hundred forty billion, twenty-three million, one hundred twenty thousand, two hundred ninety-one".