213635432 has 8 divisors (see below), whose sum is σ = 400566450. Its totient is φ = 106817712.

The previous prime is 213635423. The next prime is 213635441. The reversal of 213635432 is 234536312.

It is an interprime number because it is at equal distance from previous prime (213635423) and next prime (213635441).

It can be written as a sum of positive squares in only one way, i.e., 189172516 + 24462916 = 13754^2 + 4946^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 213635395 and 213635404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13352207 + ... + 13352222.

Almost surely, 2^213635432 is an apocalyptic number.

It is an amenable number.

213635432 is a deficient number, since it is larger than the sum of its proper divisors (186931018).

213635432 is a wasteful number, since it uses less digits than its factorization.

213635432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26704435 (or 26704431 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

The square root of 213635432 is about 14616.2728491227. The cubic root of 213635432 is about 597.8025470108.

The spelling of 213635432 in words is "two hundred thirteen million, six hundred thirty-five thousand, four hundred thirty-two".