140342019 has 16 divisors (see below), whose sum is σ = 190643712. Its totient is φ = 91811808.

The previous prime is 140342011. The next prime is 140342051. The reversal of 140342019 is 910243041.

It is not a de Polignac number, because 140342019 - 2³ = 140342011 is a prime.

It is a super-2 number, since 2×140342019² = 39391764593992722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140342019.

It is not an unprimeable number, because it can be changed into a prime (140342011) 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 15 ways as a sum of consecutive naturals, for example, 57702 + ... + 60084.

It is an arithmetic number, because the mean of its divisors is an integer number (11915232).

Almost surely, 2^140342019 is an apocalyptic number.

140342019 is a deficient number, since it is larger than the sum of its proper divisors (50301693).

140342019 is a wasteful number, since it uses less digits than its factorization.

140342019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 140342019 is about 11846.6036905098. The cubic root of 140342019 is about 519.6719071860.

The spelling of 140342019 in words is "one hundred forty million, three hundred forty-two thousand, nineteen".