213927156 has 180 divisors, whose sum is σ = 619597440. Its totient is φ = 64268640.

The previous prime is 213927151. The next prime is 213927169. The reversal of 213927156 is 651729312.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 213927156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213927151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3625855 + ... + 3625913.

It is an arithmetic number, because the mean of its divisors is an integer number (3442208).

Almost surely, 2^213927156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213927156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309798720).

213927156 is an abundant number, since it is smaller than the sum of its proper divisors (405670284).

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

213927156 is a wasteful number, since it uses less digits than its factorization.

213927156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 114 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 213927156 is about 14626.2488697547. The cubic root of 213927156 is about 598.0745275361.

It can be divided in two parts, 213 and 927156, that added together give a square (927369 = 963²).

The spelling of 213927156 in words is "two hundred thirteen million, nine hundred twenty-seven thousand, one hundred fifty-six".