105542235133 has 4 divisors (see below), whose sum is σ = 105566574780. Its totient is φ = 105517895488.

The previous prime is 105542235119. The next prime is 105542235143. The reversal of 105542235133 is 331532245501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331532245501 = 113 ⋅2933913677.

It can be written as a sum of positive squares in 2 ways, for example, as 49402619289 + 56139615844 = 222267^2 + 236938^2 .

It is a cyclic number.

It is not a de Polignac number, because 105542235133 - 2¹⁷ = 105542104061 is a prime.

It is a super-2 number, since 2×105542235133² (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 (105542235143) 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, 12163318 + ... + 12171991.

It is an arithmetic number, because the mean of its divisors is an integer number (26391643695).

Almost surely, 2^105542235133 is an apocalyptic number.

It is an amenable number.

105542235133 is a deficient number, since it is larger than the sum of its proper divisors (24339647).

105542235133 is an equidigital number, since it uses as much as digits as its factorization.

105542235133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24339646.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 105542235133 in words is "one hundred five billion, five hundred forty-two million, two hundred thirty-five thousand, one hundred thirty-three".