142211413 has 4 divisors (see below), whose sum is σ = 142243200. Its totient is φ = 142179628.

The previous prime is 142211351. The next prime is 142211429. The reversal of 142211413 is 314112241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142211413 - 2²⁵ = 108656981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142215413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7813 + ... + 18586.

It is an arithmetic number, because the mean of its divisors is an integer number (35560800).

Almost surely, 2^142211413 is an apocalyptic number.

It is an amenable number.

142211413 is a deficient number, since it is larger than the sum of its proper divisors (31787).

142211413 is an equidigital number, since it uses as much as digits as its factorization.

142211413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31786.

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

The square root of 142211413 is about 11925.2426809688. The cubic root of 142211413 is about 521.9691278601.

Adding to 142211413 its reverse (314112241), we get a palindrome (456323654).

The spelling of 142211413 in words is "one hundred forty-two million, two hundred eleven thousand, four hundred thirteen".