142356260661 has 4 divisors (see below), whose sum is σ = 189808347552. Its totient is φ = 94904173772.

The previous prime is 142356260603. The next prime is 142356260677. The reversal of 142356260661 is 166062653241.

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 142356260661 - 2⁷ = 142356260533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142356260461) 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, 23726043441 + ... + 23726043446.

It is an arithmetic number, because the mean of its divisors is an integer number (47452086888).

Almost surely, 2^142356260661 is an apocalyptic number.

It is an amenable number.

142356260661 is a deficient number, since it is larger than the sum of its proper divisors (47452086891).

142356260661 is an equidigital number, since it uses as much as digits as its factorization.

142356260661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47452086890.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 142356260661 in words is "one hundred forty-two billion, three hundred fifty-six million, two hundred sixty thousand, six hundred sixty-one".