140097919 has 8 divisors (see below), whose sum is σ = 153432720. Its totient is φ = 127128576.

The previous prime is 140097917. The next prime is 140097931. The reversal of 140097919 is 919790041.

It is a happy number.

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 140097919 - 2¹ = 140097917 is a prime.

It is a super-2 number, since 2×140097919² = 39254853816261122, 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 (140097911) 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, 90562 + ... + 92095.

It is an arithmetic number, because the mean of its divisors is an integer number (19179090).

Almost surely, 2^140097919 is an apocalyptic number.

140097919 is a deficient number, since it is larger than the sum of its proper divisors (13334801).

140097919 is a wasteful number, since it uses less digits than its factorization.

140097919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182729.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 140097919 is about 11836.2966759033. The cubic root of 140097919 is about 519.3704400273.

The spelling of 140097919 in words is "one hundred forty million, ninety-seven thousand, nine hundred nineteen".