140730371 has 2 divisors, whose sum is σ = 140730372. Its totient is φ = 140730370.

The previous prime is 140730341. The next prime is 140730377. The reversal of 140730371 is 173037041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140730371 - 2²² = 136536067 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140730371.

It is not a weakly prime, because it can be changed into another prime (140730377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70365185 + 70365186.

It is an arithmetic number, because the mean of its divisors is an integer number (70365186).

Almost surely, 2^140730371 is an apocalyptic number.

140730371 is a deficient number, since it is larger than the sum of its proper divisors (1).

140730371 is an equidigital number, since it uses as much as digits as its factorization.

140730371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 140730371 is about 11862.9832251420. The cubic root of 140730371 is about 520.1508080835.

The spelling of 140730371 in words is "one hundred forty million, seven hundred thirty thousand, three hundred seventy-one".