135245566142 has 4 divisors (see below), whose sum is σ = 202868349216. Its totient is φ = 67622783070.

The previous prime is 135245566103. The next prime is 135245566153. The reversal of 135245566142 is 241665542531.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×135245566142² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135245566093 and 135245566102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33811391534 + ... + 33811391537.

It is an arithmetic number, because the mean of its divisors is an integer number (50717087304).

Almost surely, 2^135245566142 is an apocalyptic number.

135245566142 is a deficient number, since it is larger than the sum of its proper divisors (67622783074).

135245566142 is an equidigital number, since it uses as much as digits as its factorization.

135245566142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67622783073.

The product of its digits is 864000, while the sum is 44.

The spelling of 135245566142 in words is "one hundred thirty-five billion, two hundred forty-five million, five hundred sixty-six thousand, one hundred forty-two".