140134442387 has 2 divisors, whose sum is σ = 140134442388. Its totient is φ = 140134442386.

The previous prime is 140134442369. The next prime is 140134442429. The reversal of 140134442387 is 783244431041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140134442387 - 2³⁰ = 139060700563 is a prime.

It is not a weakly prime, because it can be changed into another prime (140134442887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70067221193 + 70067221194.

It is an arithmetic number, because the mean of its divisors is an integer number (70067221194).

Almost surely, 2^140134442387 is an apocalyptic number.

140134442387 is a deficient number, since it is larger than the sum of its proper divisors (1).

140134442387 is an equidigital number, since it uses as much as digits as its factorization.

140134442387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 41.

The spelling of 140134442387 in words is "one hundred forty billion, one hundred thirty-four million, four hundred forty-two thousand, three hundred eighty-seven".