142568670269 has 4 divisors (see below), whose sum is σ = 142702790496. Its totient is φ = 142434550044.

The previous prime is 142568670227. The next prime is 142568670271. The reversal of 142568670269 is 962076865241.

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, and also an emirpimes, since its reverse is a distinct semiprime: 962076865241 = 43 ⋅22373880587.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142568670269 is a prime.

It is a super-2 number, since 2×142568670269² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142568670289) 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, 67058519 + ... + 67060644.

It is an arithmetic number, because the mean of its divisors is an integer number (35675697624).

Almost surely, 2^142568670269 is an apocalyptic number.

It is an amenable number.

142568670269 is a deficient number, since it is larger than the sum of its proper divisors (134120227).

142568670269 is a wasteful number, since it uses less digits than its factorization.

142568670269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134120226.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 142568670269 in words is "one hundred forty-two billion, five hundred sixty-eight million, six hundred seventy thousand, two hundred sixty-nine".