213156463 has 8 divisors (see below), whose sum is σ = 229786256. Its totient is φ = 196560000.

The previous prime is 213156431. The next prime is 213156469. The reversal of 213156463 is 364651312.

213156463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213156463 - 2⁵ = 213156431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213156469) 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, 5863 + ... + 21463.

It is an arithmetic number, because the mean of its divisors is an integer number (28723282).

Almost surely, 2^213156463 is an apocalyptic number.

213156463 is a deficient number, since it is larger than the sum of its proper divisors (16629793).

213156463 is a wasteful number, since it uses less digits than its factorization.

213156463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16665.

The product of its digits is 12960, while the sum is 31.

The square root of 213156463 is about 14599.8788693605. The cubic root of 213156463 is about 597.3554564779.

The spelling of 213156463 in words is "two hundred thirteen million, one hundred fifty-six thousand, four hundred sixty-three".