213149241 has 12 divisors (see below), whose sum is σ = 313101360. Its totient is φ = 139690680.

The previous prime is 213149231. The next prime is 213149263. The reversal of 213149241 is 142941312.

It is a happy number.

213149241 is a `hidden beast` number, since 2 + 131 + 492 + 41 = 666.

213149241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213149241 - 2⁹ = 213148729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213149231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200175 + ... + 201236.

It is an arithmetic number, because the mean of its divisors is an integer number (26091780).

Almost surely, 2^213149241 is an apocalyptic number.

It is an amenable number.

213149241 is a deficient number, since it is larger than the sum of its proper divisors (99952119).

213149241 is a wasteful number, since it uses less digits than its factorization.

213149241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401476 (or 401473 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 213149241 is about 14599.6315364464. The cubic root of 213149241 is about 597.3487100254.

The spelling of 213149241 in words is "two hundred thirteen million, one hundred forty-nine thousand, two hundred forty-one".