135601246681442 has 8 divisors (see below), whose sum is σ = 212245429588416. Its totient is φ = 64852770151972.

The previous prime is 135601246681423. The next prime is 135601246681477. The reversal of 135601246681442 is 244186642106531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×135601246681442² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1473926594318 + ... + 1473926594409.

It is an arithmetic number, because the mean of its divisors is an integer number (26530678698552).

Almost surely, 2^{135601246681442} is an apocalyptic number.

135601246681442 is a deficient number, since it is larger than the sum of its proper divisors (76644182906974).

135601246681442 is a wasteful number, since it uses less digits than its factorization.

135601246681442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947853188752.

The product of its (nonzero) digits is 6635520, while the sum is 53.

Adding to 135601246681442 its reverse (244186642106531), we get a palindrome (379787888787973).

The spelling of 135601246681442 in words is "one hundred thirty-five trillion, six hundred one billion, two hundred forty-six million, six hundred eighty-one thousand, four hundred forty-two".