140590819 has 2 divisors, whose sum is σ = 140590820. Its totient is φ = 140590818.

The previous prime is 140590783. The next prime is 140590829. The reversal of 140590819 is 918095041.

140590819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (918095041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140590819 is a prime.

It is a super-2 number, since 2×140590819² = 39531556774181522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140590829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70295409 + 70295410.

It is an arithmetic number, because the mean of its divisors is an integer number (70295410).

Almost surely, 2^140590819 is an apocalyptic number.

140590819 is a deficient number, since it is larger than the sum of its proper divisors (1).

140590819 is an equidigital number, since it uses as much as digits as its factorization.

140590819 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 37.

The square root of 140590819 is about 11857.0999405420. The cubic root of 140590819 is about 519.9788194036.

The spelling of 140590819 in words is "one hundred forty million, five hundred ninety thousand, eight hundred nineteen".