140201029291 has 2 divisors, whose sum is σ = 140201029292. Its totient is φ = 140201029290.

The previous prime is 140201029289. The next prime is 140201029313. The reversal of 140201029291 is 192920102041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140201029291 - 2¹ = 140201029289 is a prime.

It is a super-2 number, since 2×140201029291² (a number of 23 digits) contains 22 as substring.

Together with 140201029289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (140201029231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70100514645 + 70100514646.

It is an arithmetic number, because the mean of its divisors is an integer number (70100514646).

Almost surely, 2^140201029291 is an apocalyptic number.

140201029291 is a deficient number, since it is larger than the sum of its proper divisors (1).

140201029291 is an equidigital number, since it uses as much as digits as its factorization.

140201029291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 140201029291 in words is "one hundred forty billion, two hundred one million, twenty-nine thousand, two hundred ninety-one".