140199919 has 8 divisors (see below), whose sum is σ = 147054528. Its totient is φ = 133506720.

The previous prime is 140199889. The next prime is 140199991. The reversal of 140199919 is 919991041.

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 140199919 - 2¹⁷ = 140068847 is a prime.

It is a super-2 number, since 2×140199919² = 39312034575213122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140199419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38572 + ... + 42049.

It is an arithmetic number, because the mean of its divisors is an integer number (18381816).

Almost surely, 2^140199919 is an apocalyptic number.

140199919 is a deficient number, since it is larger than the sum of its proper divisors (6854609).

140199919 is an equidigital number, since it uses as much as digits as its factorization.

140199919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80705.

The product of its (nonzero) digits is 26244, while the sum is 43.

The square root of 140199919 is about 11840.6046720596. The cubic root of 140199919 is about 519.4964541130.

The spelling of 140199919 in words is "one hundred forty million, one hundred ninety-nine thousand, nine hundred nineteen".