140019299 has 4 divisors (see below), whose sum is σ = 160022064. Its totient is φ = 120016536.

The previous prime is 140019277. The next prime is 140019307. The reversal of 140019299 is 992910041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 992910041 = 17 ⋅58406473.

It is a cyclic number.

It is not a de Polignac number, because 140019299 - 2⁸ = 140019043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140019199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10001372 + ... + 10001385.

It is an arithmetic number, because the mean of its divisors is an integer number (40005516).

Almost surely, 2^140019299 is an apocalyptic number.

140019299 is a deficient number, since it is larger than the sum of its proper divisors (20002765).

140019299 is an equidigital number, since it uses as much as digits as its factorization.

140019299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20002764.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 140019299 is about 11832.9750696940. The cubic root of 140019299 is about 519.2732685992.

The spelling of 140019299 in words is "one hundred forty million, nineteen thousand, two hundred ninety-nine".