140268011591 has 2 divisors, whose sum is σ = 140268011592. Its totient is φ = 140268011590.

The previous prime is 140268011573. The next prime is 140268011659. The reversal of 140268011591 is 195110862041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140268011591 - 2²⁶ = 140200902727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140268011791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70134005795 + 70134005796.

It is an arithmetic number, because the mean of its divisors is an integer number (70134005796).

Almost surely, 2^140268011591 is an apocalyptic number.

140268011591 is a deficient number, since it is larger than the sum of its proper divisors (1).

140268011591 is an equidigital number, since it uses as much as digits as its factorization.

140268011591 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 38.

The spelling of 140268011591 in words is "one hundred forty billion, two hundred sixty-eight million, eleven thousand, five hundred ninety-one".