212535134 has 16 divisors (see below), whose sum is σ = 380187648. Its totient is φ = 87126072.

The previous prime is 212535131. The next prime is 212535149. The reversal of 212535134 is 431535212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212535131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329702 + ... + 330345.

It is an arithmetic number, because the mean of its divisors is an integer number (23761728).

Almost surely, 2^212535134 is an apocalyptic number.

212535134 is a deficient number, since it is larger than the sum of its proper divisors (167652514).

212535134 is a wasteful number, since it uses less digits than its factorization.

212535134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660079.

The product of its digits is 3600, while the sum is 26.

The square root of 212535134 is about 14578.5847735643. The cubic root of 212535134 is about 596.7744818678.

The spelling of 212535134 in words is "two hundred twelve million, five hundred thirty-five thousand, one hundred thirty-four".