140032121230987 has 2 divisors, whose sum is σ = 140032121230988. Its totient is φ = 140032121230986.

The previous prime is 140032121230973. The next prime is 140032121231053. The reversal of 140032121230987 is 789032121230041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140032121230987 - 2¹¹ = 140032121228939 is a prime.

It is not a weakly prime, because it can be changed into another prime (140032121230087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70016060615493 + 70016060615494.

It is an arithmetic number, because the mean of its divisors is an integer number (70016060615494).

Almost surely, 2^{140032121230987} is an apocalyptic number.

140032121230987 is a deficient number, since it is larger than the sum of its proper divisors (1).

140032121230987 is an equidigital number, since it uses as much as digits as its factorization.

140032121230987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 140032121230987 in words is "one hundred forty trillion, thirty-two billion, one hundred twenty-one million, two hundred thirty thousand, nine hundred eighty-seven".