140587487 has 2 divisors, whose sum is σ = 140587488. Its totient is φ = 140587486.

The previous prime is 140587471. The next prime is 140587529. The reversal of 140587487 is 784785041.

140587487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140587487 - 2⁴ = 140587471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140587417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70293743 + 70293744.

It is an arithmetic number, because the mean of its divisors is an integer number (70293744).

Almost surely, 2^140587487 is an apocalyptic number.

140587487 is a deficient number, since it is larger than the sum of its proper divisors (1).

140587487 is an equidigital number, since it uses as much as digits as its factorization.

140587487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250880, while the sum is 44.

The square root of 140587487 is about 11856.9594331768. The cubic root of 140587487 is about 519.9747115414.

The spelling of 140587487 in words is "one hundred forty million, five hundred eighty-seven thousand, four hundred eighty-seven".