140463487 has 2 divisors, whose sum is σ = 140463488. Its totient is φ = 140463486.

The previous prime is 140463451. The next prime is 140463517. The reversal of 140463487 is 784364041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140463487 - 2¹¹ = 140461439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140463187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70231743 + 70231744.

It is an arithmetic number, because the mean of its divisors is an integer number (70231744).

Almost surely, 2^140463487 is an apocalyptic number.

140463487 is a deficient number, since it is larger than the sum of its proper divisors (1).

140463487 is an equidigital number, since it uses as much as digits as its factorization.

140463487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 140463487 is about 11851.7292831046. The cubic root of 140463487 is about 519.8217917442.

The spelling of 140463487 in words is "one hundred forty million, four hundred sixty-three thousand, four hundred eighty-seven".