135671635354 has 4 divisors (see below), whose sum is σ = 203507453034. Its totient is φ = 67835817676.

The previous prime is 135671635343. The next prime is 135671635397. The reversal of 135671635354 is 453536176531.

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., 97715634025 + 37956001329 = 312595^2 + 194823^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135671635298 and 135671635307.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33917908837 + ... + 33917908840.

Almost surely, 2^135671635354 is an apocalyptic number.

135671635354 is a deficient number, since it is larger than the sum of its proper divisors (67835817680).

135671635354 is an equidigital number, since it uses as much as digits as its factorization.

135671635354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67835817679.

The product of its digits is 3402000, while the sum is 49.

The spelling of 135671635354 in words is "one hundred thirty-five billion, six hundred seventy-one million, six hundred thirty-five thousand, three hundred fifty-four".