105727140419 has 4 divisors (see below), whose sum is σ = 106040871144. Its totient is φ = 105413409696.

The previous prime is 105727140371. The next prime is 105727140451. The reversal of 105727140419 is 914041727501.

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 105727140419 - 2²⁰ = 105726091843 is a prime.

It is a super-2 number, since 2×105727140419² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105727140119) 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, 156864857 + ... + 156865530.

It is an arithmetic number, because the mean of its divisors is an integer number (26510217786).

Almost surely, 2^105727140419 is an apocalyptic number.

105727140419 is a deficient number, since it is larger than the sum of its proper divisors (313730725).

105727140419 is an equidigital number, since it uses as much as digits as its factorization.

105727140419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313730724.

The product of its (nonzero) digits is 70560, while the sum is 41.

The spelling of 105727140419 in words is "one hundred five billion, seven hundred twenty-seven million, one hundred forty thousand, four hundred nineteen".