142406404211 has 4 divisors (see below), whose sum is σ = 145093317552. Its totient is φ = 139719490872.

The previous prime is 142406404201. The next prime is 142406404229. The reversal of 142406404211 is 112404604241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112404604241 = 97 ⋅1158810353.

It is a cyclic number.

It is not a de Polignac number, because 142406404211 - 2²⁶ = 142339295347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142406404201) 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, 1343456591 + ... + 1343456696.

It is an arithmetic number, because the mean of its divisors is an integer number (36273329388).

Almost surely, 2^142406404211 is an apocalyptic number.

142406404211 is a deficient number, since it is larger than the sum of its proper divisors (2686913341).

142406404211 is an equidigital number, since it uses as much as digits as its factorization.

142406404211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686913340.

The product of its (nonzero) digits is 6144, while the sum is 29.

The spelling of 142406404211 in words is "one hundred forty-two billion, four hundred six million, four hundred four thousand, two hundred eleven".