105131434 has 8 divisors (see below), whose sum is σ = 166973508. Its totient is φ = 49473600.

The previous prime is 105131423. The next prime is 105131437. The reversal of 105131434 is 434131501.

It can be written as a sum of positive squares in 2 ways, for example, as 104101209 + 1030225 = 10203^2 + 1015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105131434² = 22105236829792712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105131437) 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, 1546017 + ... + 1546084.

Almost surely, 2^105131434 is an apocalyptic number.

105131434 is a deficient number, since it is larger than the sum of its proper divisors (61842074).

105131434 is a wasteful number, since it uses less digits than its factorization.

105131434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092120.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 105131434 is about 10253.3620827512. The cubic root of 105131434 is about 471.9661621103.

Adding to 105131434 its reverse (434131501), we get a palindrome (539262935).

The spelling of 105131434 in words is "one hundred five million, one hundred thirty-one thousand, four hundred thirty-four".