140043419 has 8 divisors (see below), whose sum is σ = 143296560. Its totient is φ = 136826496.

The previous prime is 140043401. The next prime is 140043427. The reversal of 140043419 is 914340041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140043419 - 2¹² = 140039323 is a prime.

It is a super-2 number, since 2×140043419² = 39224318410419122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140043439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154 + ... + 16775.

It is an arithmetic number, because the mean of its divisors is an integer number (17912070).

Almost surely, 2^140043419 is an apocalyptic number.

140043419 is a deficient number, since it is larger than the sum of its proper divisors (3253141).

140043419 is a wasteful number, since it uses less digits than its factorization.

140043419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18109.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 140043419 is about 11833.9942115923. The cubic root of 140043419 is about 519.3030838990.

The spelling of 140043419 in words is "one hundred forty million, forty-three thousand, four hundred nineteen".