140671137427 has 2 divisors, whose sum is σ = 140671137428. Its totient is φ = 140671137426.

The previous prime is 140671137319. The next prime is 140671137461. The reversal of 140671137427 is 724731176041.

It is a strong prime.

It is an emirp because it is prime and its reverse (724731176041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140671137427 - 2³⁵ = 106311399059 is a prime.

It is not a weakly prime, because it can be changed into another prime (140671134427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70335568713 + 70335568714.

It is an arithmetic number, because the mean of its divisors is an integer number (70335568714).

Almost surely, 2^140671137427 is an apocalyptic number.

140671137427 is a deficient number, since it is larger than the sum of its proper divisors (1).

140671137427 is an equidigital number, since it uses as much as digits as its factorization.

140671137427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 140671137427 in words is "one hundred forty billion, six hundred seventy-one million, one hundred thirty-seven thousand, four hundred twenty-seven".