140286551 has 2 divisors, whose sum is σ = 140286552. Its totient is φ = 140286550.

The previous prime is 140286529. The next prime is 140286569. The reversal of 140286551 is 155682041.

140286551 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 140286551 - 2²² = 136092247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140286581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70143275 + 70143276.

It is an arithmetic number, because the mean of its divisors is an integer number (70143276).

Almost surely, 2^140286551 is an apocalyptic number.

140286551 is a deficient number, since it is larger than the sum of its proper divisors (1).

140286551 is an equidigital number, since it uses as much as digits as its factorization.

140286551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 140286551 is about 11844.2623662261. The cubic root of 140286551 is about 519.6034340849.

The spelling of 140286551 in words is "one hundred forty million, two hundred eighty-six thousand, five hundred fifty-one".