140359819 has 6 divisors (see below), whose sum is σ = 141456740. Its totient is φ = 139271340.

The previous prime is 140359811. The next prime is 140359831. The reversal of 140359819 is 918953041.

140359819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140359819 - 2³ = 140359811 is a prime.

It is a super-2 number, since 2×140359819² = 39401757579425522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140359811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13072 + ... + 21250.

Almost surely, 2^140359819 is an apocalyptic number.

140359819 is a deficient number, since it is larger than the sum of its proper divisors (1096921).

140359819 is an frugal number, since it uses more digits than its factorization.

140359819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8441 (or 8310 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 140359819 is about 11847.3549368625. The cubic root of 140359819 is about 519.6938767737.

The spelling of 140359819 in words is "one hundred forty million, three hundred fifty-nine thousand, eight hundred nineteen".