210340132 has 12 divisors (see below), whose sum is σ = 380788380. Its totient is φ = 101543456.

The previous prime is 210340063. The next prime is 210340159. The reversal of 210340132 is 231043012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 103713856 + 106626276 = 10184^2 + 10326^2 .

It is a super-2 number, since 2×210340132² = 88485942259554848, which contains 22 as substring.

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, 906523 + ... + 906754.

It is an arithmetic number, because the mean of its divisors is an integer number (31732365).

Almost surely, 2^210340132 is an apocalyptic number.

It is an amenable number.

210340132 is a deficient number, since it is larger than the sum of its proper divisors (170448248).

210340132 is a wasteful number, since it uses less digits than its factorization.

210340132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813310 (or 1813308 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 210340132 is about 14503.1076669795. The cubic root of 210340132 is about 594.7129298054.

Adding to 210340132 its reverse (231043012), we get a palindrome (441383144).

The spelling of 210340132 in words is "two hundred ten million, three hundred forty thousand, one hundred thirty-two".