213040149 has 8 divisors (see below), whose sum is σ = 324632640. Its totient is φ = 121737216.

The previous prime is 213040127. The next prime is 213040171. The reversal of 213040149 is 941040312.

213040149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213040127) and next prime (213040171).

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

It is not a de Polignac number, because 213040149 - 2⁷ = 213040021 is a prime.

It is a super-2 number, since 2×213040149² = 90772210171884402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213040109) 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, 5072364 + ... + 5072405.

It is an arithmetic number, because the mean of its divisors is an integer number (40579080).

Almost surely, 2^213040149 is an apocalyptic number.

It is an amenable number.

213040149 is a deficient number, since it is larger than the sum of its proper divisors (111592491).

213040149 is a wasteful number, since it uses less digits than its factorization.

213040149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10144779.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 213040149 is about 14595.8949365909. The cubic root of 213040149 is about 597.2467828720.

The spelling of 213040149 in words is "two hundred thirteen million, forty thousand, one hundred forty-nine".