105400234 has 8 divisors (see below), whose sum is σ = 158203908. Its totient is φ = 52665600.

The previous prime is 105400231. The next prime is 105400249. The reversal of 105400234 is 432004501.

It can be written as a sum of positive squares in 2 ways, for example, as 90307009 + 15093225 = 9503^2 + 3885^2 .

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

It is a super-2 number, since 2×105400234² = 22218418654509512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105400231) 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, 13257 + ... + 19660.

Almost surely, 2^105400234 is an apocalyptic number.

105400234 is a deficient number, since it is larger than the sum of its proper divisors (52803674).

105400234 is a wasteful number, since it uses less digits than its factorization.

105400234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34520.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 105400234 is about 10266.4616105063. The cubic root of 105400234 is about 472.3680607322.

Adding to 105400234 its reverse (432004501), we get a palindrome (537404735).

The spelling of 105400234 in words is "one hundred five million, four hundred thousand, two hundred thirty-four".