140455351 has 2 divisors, whose sum is σ = 140455352. Its totient is φ = 140455350.

The previous prime is 140455331. The next prime is 140455361. The reversal of 140455351 is 153554041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140455351 - 2²³ = 132066743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140455331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70227675 + 70227676.

It is an arithmetic number, because the mean of its divisors is an integer number (70227676).

Almost surely, 2^140455351 is an apocalyptic number.

140455351 is a deficient number, since it is larger than the sum of its proper divisors (1).

140455351 is an equidigital number, since it uses as much as digits as its factorization.

140455351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 140455351 is about 11851.3860370844. The cubic root of 140455351 is about 519.8117550866.

The spelling of 140455351 in words is "one hundred forty million, four hundred fifty-five thousand, three hundred fifty-one".