142001137518 has 16 divisors (see below), whose sum is σ = 284005996416. Its totient is φ = 47333092280.

The previous prime is 142001137517. The next prime is 142001137573. The reversal of 142001137518 is 815731100241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142001137517) 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, 726805 + ... + 901247.

It is an arithmetic number, because the mean of its divisors is an integer number (17750374776).

Almost surely, 2^142001137518 is an apocalyptic number.

142001137518 is an abundant number, since it is smaller than the sum of its proper divisors (142004858898).

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

142001137518 is a wasteful number, since it uses less digits than its factorization.

142001137518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310119.

The product of its (nonzero) digits is 6720, while the sum is 33.

Adding to 142001137518 its reverse (815731100241), we get a palindrome (957732237759).

The spelling of 142001137518 in words is "one hundred forty-two billion, one million, one hundred thirty-seven thousand, five hundred eighteen".