140148847 has 2 divisors, whose sum is σ = 140148848. Its totient is φ = 140148846.

The previous prime is 140148839. The next prime is 140148889. The reversal of 140148847 is 748841041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140148847 - 2³ = 140148839 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140148347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70074423 + 70074424.

It is an arithmetic number, because the mean of its divisors is an integer number (70074424).

Almost surely, 2^140148847 is an apocalyptic number.

140148847 is a deficient number, since it is larger than the sum of its proper divisors (1).

140148847 is an equidigital number, since it uses as much as digits as its factorization.

140148847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 140148847 is about 11838.4478290019. The cubic root of 140148847 is about 519.4333657617.

Adding to 140148847 its reverse (748841041), we get a palindrome (888989888).

The spelling of 140148847 in words is "one hundred forty million, one hundred forty-eight thousand, eight hundred forty-seven".