140541619 has 2 divisors, whose sum is σ = 140541620. Its totient is φ = 140541618.

The previous prime is 140541559. The next prime is 140541691. The reversal of 140541619 is 916145041.

140541619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (140541691) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140541619 - 2²⁵ = 106987187 is a prime.

It is a super-2 number, since 2×140541619² = 39503893342282322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140541019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70270809 + 70270810.

It is an arithmetic number, because the mean of its divisors is an integer number (70270810).

Almost surely, 2^140541619 is an apocalyptic number.

140541619 is a deficient number, since it is larger than the sum of its proper divisors (1).

140541619 is an equidigital number, since it uses as much as digits as its factorization.

140541619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 140541619 is about 11855.0250526939. The cubic root of 140541619 is about 519.9181564979.

The spelling of 140541619 in words is "one hundred forty million, five hundred forty-one thousand, six hundred nineteen".