105420233140 has 12 divisors (see below), whose sum is σ = 221382489636. Its totient is φ = 42168093248.

The previous prime is 105420233129. The next prime is 105420233189. The reversal of 105420233140 is 41332024501.

It can be written as a sum of positive squares in 2 ways, for example, as 18952478224 + 86467754916 = 137668^2 + 294054^2 .

It is a super-2 number, since 2×105420233140² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2635505809 + ... + 2635505848.

It is an arithmetic number, because the mean of its divisors is an integer number (18448540803).

Almost surely, 2^105420233140 is an apocalyptic number.

105420233140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105420233140 is an abundant number, since it is smaller than the sum of its proper divisors (115962256496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105420233140 is a wasteful number, since it uses less digits than its factorization.

105420233140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271011666 (or 5271011664 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 105420233140 its reverse (41332024501), we get a palindrome (146752257641).

The spelling of 105420233140 in words is "one hundred five billion, four hundred twenty million, two hundred thirty-three thousand, one hundred forty".