142089074929 has 4 divisors (see below), whose sum is σ = 145112246784. Its totient is φ = 139065903076.

The previous prime is 142089074903. The next prime is 142089074947. The reversal of 142089074929 is 929470980241.

It is a happy number.

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 142089074929 - 2²¹ = 142086977777 is a prime.

It is a super-4 number, since 4×142089074929⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142089074929.

It is not an unprimeable number, because it can be changed into a prime (142089074989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1511585857 + ... + 1511585950.

It is an arithmetic number, because the mean of its divisors is an integer number (36278061696).

Almost surely, 2^142089074929 is an apocalyptic number.

It is an amenable number.

142089074929 is a deficient number, since it is larger than the sum of its proper divisors (3023171855).

142089074929 is an equidigital number, since it uses as much as digits as its factorization.

142089074929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023171854.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 142089074929 in words is "one hundred forty-two billion, eighty-nine million, seventy-four thousand, nine hundred twenty-nine".