142888726409 has 16 divisors (see below), whose sum is σ = 168995937600. Its totient is φ = 119101863360.

The previous prime is 142888726403. The next prime is 142888726469. The reversal of 142888726409 is 904627888241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142888726409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142888726403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3331787 + ... + 3374400.

It is an arithmetic number, because the mean of its divisors is an integer number (10562246100).

Almost surely, 2^142888726409 is an apocalyptic number.

It is an amenable number.

142888726409 is a deficient number, since it is larger than the sum of its proper divisors (26107211191).

142888726409 is a wasteful number, since it uses less digits than its factorization.

142888726409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6706360.

The product of its (nonzero) digits is 12386304, while the sum is 59.

The spelling of 142888726409 in words is "one hundred forty-two billion, eight hundred eighty-eight million, seven hundred twenty-six thousand, four hundred nine".