105140144519 has 4 divisors (see below), whose sum is σ = 105145242744. Its totient is φ = 105135046296.

The previous prime is 105140144509. The next prime is 105140144531. The reversal of 105140144519 is 915441041501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105140144519 - 2⁴ = 105140144503 is a prime.

It is a super-2 number, since 2×105140144519² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105140144509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2518052 + ... + 2559465.

It is an arithmetic number, because the mean of its divisors is an integer number (26286310686).

Almost surely, 2^105140144519 is an apocalyptic number.

105140144519 is a deficient number, since it is larger than the sum of its proper divisors (5098225).

105140144519 is an equidigital number, since it uses as much as digits as its factorization.

105140144519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098224.

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 105140144519 in words is "one hundred five billion, one hundred forty million, one hundred forty-four thousand, five hundred nineteen".