211413142 has 4 divisors (see below), whose sum is σ = 317119716. Its totient is φ = 105706570.

The previous prime is 211413127. The next prime is 211413151. The reversal of 211413142 is 241314112.

211413142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×211413142² = 89391033220624328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52853284 + ... + 52853287.

It is an arithmetic number, because the mean of its divisors is an integer number (79279929).

Almost surely, 2^211413142 is an apocalyptic number.

211413142 is a deficient number, since it is larger than the sum of its proper divisors (105706574).

211413142 is a wasteful number, since it uses less digits than its factorization.

211413142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105706573.

The product of its digits is 192, while the sum is 19.

The square root of 211413142 is about 14540.0530260381. The cubic root of 211413142 is about 595.7224865254.

Adding to 211413142 its reverse (241314112), we get a palindrome (452727254).

The spelling of 211413142 in words is "two hundred eleven million, four hundred thirteen thousand, one hundred forty-two".