140351111 has 2 divisors, whose sum is σ = 140351112. Its totient is φ = 140351110.

The previous prime is 140351093. The next prime is 140351117. The reversal of 140351111 is 111153041.

140351111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140351111 - 2¹⁸ = 140088967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140351111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140351117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70175555 + 70175556.

It is an arithmetic number, because the mean of its divisors is an integer number (70175556).

Almost surely, 2^140351111 is an apocalyptic number.

140351111 is a deficient number, since it is larger than the sum of its proper divisors (1).

140351111 is an equidigital number, since it uses as much as digits as its factorization.

140351111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 140351111 is about 11846.9874229696. The cubic root of 140351111 is about 519.6831291873.

The spelling of 140351111 in words is "one hundred forty million, three hundred fifty-one thousand, one hundred eleven".