140118019 has 2 divisors, whose sum is σ = 140118020. Its totient is φ = 140118018.

The previous prime is 140117987. The next prime is 140118071. The reversal of 140118019 is 910811041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140118019 - 2⁵ = 140117987 is a prime.

It is a super-2 number, since 2×140118019² = 39266118496968722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140117984 and 140118002.

It is not a weakly prime, because it can be changed into another prime (140118619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70059009 + 70059010.

It is an arithmetic number, because the mean of its divisors is an integer number (70059010).

Almost surely, 2^140118019 is an apocalyptic number.

140118019 is a deficient number, since it is larger than the sum of its proper divisors (1).

140118019 is an equidigital number, since it uses as much as digits as its factorization.

140118019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 25.

The square root of 140118019 is about 11837.1457285952. The cubic root of 140118019 is about 519.3952770525.

The spelling of 140118019 in words is "one hundred forty million, one hundred eighteen thousand, nineteen".