135158179426 has 4 divisors (see below), whose sum is σ = 202737269142. Its totient is φ = 67579089712.

The previous prime is 135158179393. The next prime is 135158179447. The reversal of 135158179426 is 624971851531.

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

It can be written as a sum of positive squares in only one way, i.e., 113332549201 + 21825630225 = 336649^2 + 147735^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33789544855 + ... + 33789544858.

Almost surely, 2^135158179426 is an apocalyptic number.

135158179426 is a deficient number, since it is larger than the sum of its proper divisors (67579089716).

135158179426 is an equidigital number, since it uses as much as digits as its factorization.

135158179426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67579089715.

The product of its digits is 1814400, while the sum is 52.

The spelling of 135158179426 in words is "one hundred thirty-five billion, one hundred fifty-eight million, one hundred seventy-nine thousand, four hundred twenty-six".