140463019 has 2 divisors, whose sum is σ = 140463020. Its totient is φ = 140463018.

The previous prime is 140462999. The next prime is 140463031. The reversal of 140463019 is 910364041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140463019 - 2⁹ = 140462507 is a prime.

It is a super-2 number, since 2×140463019² = 39459719413188722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140463079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70231509 + 70231510.

It is an arithmetic number, because the mean of its divisors is an integer number (70231510).

Almost surely, 2^140463019 is an apocalyptic number.

140463019 is a deficient number, since it is larger than the sum of its proper divisors (1).

140463019 is an equidigital number, since it uses as much as digits as its factorization.

140463019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 140463019 is about 11851.7095391340. The cubic root of 140463019 is about 519.8212144248.

The spelling of 140463019 in words is "one hundred forty million, four hundred sixty-three thousand, nineteen".