142211013 has 8 divisors (see below), whose sum is σ = 216702528. Its totient is φ = 81263424.

The previous prime is 142211011. The next prime is 142211057. The reversal of 142211013 is 310112241.

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

It is not a de Polignac number, because 142211013 - 2¹ = 142211011 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142210983 and 142211001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142211011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3385956 + ... + 3385997.

It is an arithmetic number, because the mean of its divisors is an integer number (27087816).

Almost surely, 2^142211013 is an apocalyptic number.

It is an amenable number.

142211013 is a deficient number, since it is larger than the sum of its proper divisors (74491515).

142211013 is an equidigital number, since it uses as much as digits as its factorization.

142211013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6771963.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 142211013 is about 11925.2259098098. The cubic root of 142211013 is about 521.9686384764.

Adding to 142211013 its reverse (310112241), we get a palindrome (452323254).

The spelling of 142211013 in words is "one hundred forty-two million, two hundred eleven thousand, thirteen".