140655259 has 2 divisors, whose sum is σ = 140655260. Its totient is φ = 140655258.

The previous prime is 140655257. The next prime is 140655283. The reversal of 140655259 is 952556041.

140655259 = T₉₆₈₂ + T₉₆₈₃ + T₉₆₈₄.

It is a weak prime.

It is an emirp because it is prime and its reverse (952556041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140655259 - 2¹ = 140655257 is a prime.

Together with 140655257, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_7947064 and since 140655259 and 7947064 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (140655253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70327629 + 70327630.

It is an arithmetic number, because the mean of its divisors is an integer number (70327630).

Almost surely, 2^140655259 is an apocalyptic number.

140655259 is the 9684-th centered triangular number.

140655259 is a deficient number, since it is larger than the sum of its proper divisors (1).

140655259 is an equidigital number, since it uses as much as digits as its factorization.

140655259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 140655259 is about 11859.8169884699. The cubic root of 140655259 is about 520.0582516104.

It can be divided in two parts, 1406 and 55259, that added together give a palindrome (56665).

The spelling of 140655259 in words is "one hundred forty million, six hundred fifty-five thousand, two hundred fifty-nine".