142319195720 has 32 divisors (see below), whose sum is σ = 344850360120. Its totient is φ = 52548625920.

The previous prime is 142319195693. The next prime is 142319195729. The reversal of 142319195720 is 27591913241.

It can be written as a sum of positive squares in 4 ways, for example, as 90542013604 + 51777182116 = 300902^2 + 227546^2 .

It is not an unprimeable number, because it can be changed into a prime (142319195729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136844861 + ... + 136845900.

Almost surely, 2^142319195720 is an apocalyptic number.

142319195720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142319195720 is an abundant number, since it is smaller than the sum of its proper divisors (202531164400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142319195720 is a wasteful number, since it uses less digits than its factorization.

142319195720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273690785 (or 273690781 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 142319195720 in words is "one hundred forty-two billion, three hundred nineteen million, one hundred ninety-five thousand, seven hundred twenty".