135471418 has 8 divisors (see below), whose sum is σ = 203257620. Its totient is φ = 67718880.

The previous prime is 135471409. The next prime is 135471431. The reversal of 135471418 is 814174531.

It can be written as a sum of positive squares in 2 ways, for example, as 100460529 + 35010889 = 10023^2 + 5917^2 .

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

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, 8238 + ... + 18406.

Almost surely, 2^135471418 is an apocalyptic number.

135471418 is a deficient number, since it is larger than the sum of its proper divisors (67786202).

135471418 is a wasteful number, since it uses less digits than its factorization.

135471418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16832.

The product of its digits is 13440, while the sum is 34.

The square root of 135471418 is about 11639.2189600505. The cubic root of 135471418 is about 513.5892113696.

The spelling of 135471418 in words is "one hundred thirty-five million, four hundred seventy-one thousand, four hundred eighteen".