140205419 has 2 divisors, whose sum is σ = 140205420. Its totient is φ = 140205418.

The previous prime is 140205407. The next prime is 140205431. The reversal of 140205419 is 914502041.

It is a balanced prime because it is at equal distance from previous prime (140205407) and next prime (140205431).

It is a cyclic number.

It is not a de Polignac number, because 140205419 - 2²⁴ = 123428203 is a prime.

It is a super-2 number, since 2×140205419² = 39315119033931122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140205619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70102709 + 70102710.

It is an arithmetic number, because the mean of its divisors is an integer number (70102710).

Almost surely, 2^140205419 is an apocalyptic number.

140205419 is a deficient number, since it is larger than the sum of its proper divisors (1).

140205419 is an equidigital number, since it uses as much as digits as its factorization.

140205419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 140205419 is about 11840.8369214342. The cubic root of 140205419 is about 519.5032472533.

The spelling of 140205419 in words is "one hundred forty million, two hundred five thousand, four hundred nineteen".