140591383 has 2 divisors, whose sum is σ = 140591384. Its totient is φ = 140591382.

The previous prime is 140591371. The next prime is 140591401. The reversal of 140591383 is 383195041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140591383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140591303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70295691 + 70295692.

It is an arithmetic number, because the mean of its divisors is an integer number (70295692).

Almost surely, 2^140591383 is an apocalyptic number.

140591383 is a deficient number, since it is larger than the sum of its proper divisors (1).

140591383 is an equidigital number, since it uses as much as digits as its factorization.

140591383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 140591383 is about 11857.1237237367. The cubic root of 140591383 is about 519.9795147255.

The spelling of 140591383 in words is "one hundred forty million, five hundred ninety-one thousand, three hundred eighty-three".