142133211 has 20 divisors (see below), whose sum is σ = 231625944. Its totient is φ = 86140800.

The previous prime is 142133203. The next prime is 142133219. The reversal of 142133211 is 112331241.

142133211 is a `hidden beast` number, since 1 + 421 + 33 + 211 = 666.

It is an interprime number because it is at equal distance from previous prime (142133203) and next prime (142133219).

It is not a de Polignac number, because 142133211 - 2³ = 142133203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142133219) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 78870 + ... + 80651.

Almost surely, 2^142133211 is an apocalyptic number.

142133211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142133211 is a deficient number, since it is larger than the sum of its proper divisors (89492733).

142133211 is a wasteful number, since it uses less digits than its factorization.

142133211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159544 (or 159535 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 142133211 is about 11921.9633869594. The cubic root of 142133211 is about 521.8734334446.

Adding to 142133211 its reverse (112331241), we get a palindrome (254464452).

It can be divided in two parts, 14213 and 3211, that added together give a square (17424 = 132²).

The spelling of 142133211 in words is "one hundred forty-two million, one hundred thirty-three thousand, two hundred eleven".