140421199 has 2 divisors, whose sum is σ = 140421200. Its totient is φ = 140421198.

The previous prime is 140421181. The next prime is 140421217. The reversal of 140421199 is 991124041.

140421199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (140421181) and next prime (140421217).

It is an emirp because it is prime and its reverse (991124041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140421199 is a prime.

It is a super-2 number, since 2×140421199² = 39436226257195202, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140421199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140421109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70210599 + 70210600.

It is an arithmetic number, because the mean of its divisors is an integer number (70210600).

Almost surely, 2^140421199 is an apocalyptic number.

140421199 is a deficient number, since it is larger than the sum of its proper divisors (1).

140421199 is an equidigital number, since it uses as much as digits as its factorization.

140421199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 140421199 is about 11849.9451053581. The cubic root of 140421199 is about 519.7696205815.

The spelling of 140421199 in words is "one hundred forty million, four hundred twenty-one thousand, one hundred ninety-nine".