142012900369 has 4 divisors (see below), whose sum is σ = 143391666496. Its totient is φ = 140634134244.

The previous prime is 142012900361. The next prime is 142012900373. The reversal of 142012900369 is 963009210241.

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: 963009210241 = 13 ⋅74077631557.

It is a cyclic number.

It is not a de Polignac number, because 142012900369 - 2³ = 142012900361 is a prime.

It is a super-2 number, since 2×142012900369² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142012900361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689382909 + ... + 689383114.

It is an arithmetic number, because the mean of its divisors is an integer number (35847916624).

Almost surely, 2^142012900369 is an apocalyptic number.

It is an amenable number.

142012900369 is a deficient number, since it is larger than the sum of its proper divisors (1378766127).

142012900369 is a wasteful number, since it uses less digits than its factorization.

142012900369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378766126.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 142012900369 in words is "one hundred forty-two billion, twelve million, nine hundred thousand, three hundred sixty-nine".