213190957 has 8 divisors (see below), whose sum is σ = 244183616. Its totient is φ = 182332512.

The previous prime is 213190951. The next prime is 213190961. The reversal of 213190957 is 759091312.

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

It is a cyclic number.

It is not a de Polignac number, because 213190957 - 2³ = 213190949 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 (213190951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30123 + ... + 36520.

It is an arithmetic number, because the mean of its divisors is an integer number (30522952).

Almost surely, 2^213190957 is an apocalyptic number.

It is an amenable number.

213190957 is a deficient number, since it is larger than the sum of its proper divisors (30992659).

213190957 is an equidigital number, since it uses as much as digits as its factorization.

213190957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67107.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 213190957 is about 14601.0601327438. The cubic root of 213190957 is about 597.3876770471.

The spelling of 213190957 in words is "two hundred thirteen million, one hundred ninety thousand, nine hundred fifty-seven".