105213534 has 16 divisors (see below), whose sum is σ = 211964688. Its totient is φ = 34814912.

The previous prime is 105213529. The next prime is 105213557. The reversal of 105213534 is 435312501.

It is a super-2 number, since 2×105213534² = 22139775473538312, which 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 7 ways as a sum of consecutive naturals, for example, 63177 + ... + 64820.

It is an arithmetic number, because the mean of its divisors is an integer number (13247793).

Almost surely, 2^105213534 is an apocalyptic number.

105213534 is an abundant number, since it is smaller than the sum of its proper divisors (106751154).

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

105213534 is a wasteful number, since it uses less digits than its factorization.

105213534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128139.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 105213534 is about 10257.3648662802. The cubic root of 105213534 is about 472.0889872199.

The spelling of 105213534 in words is "one hundred five million, two hundred thirteen thousand, five hundred thirty-four".