135471556 has 12 divisors (see below), whose sum is σ = 258627600. Its totient is φ = 61577960.

The previous prime is 135471533. The next prime is 135471571. The reversal of 135471556 is 655174531.

It is a super-2 number, since 2×135471556² = 36705084970122272, which 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, 1539406 + ... + 1539493.

It is an arithmetic number, because the mean of its divisors is an integer number (21552300).

Almost surely, 2^135471556 is an apocalyptic number.

It is an amenable number.

135471556 is a deficient number, since it is larger than the sum of its proper divisors (123156044).

135471556 is a wasteful number, since it uses less digits than its factorization.

135471556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078914 (or 3078912 counting only the distinct ones).

The product of its digits is 63000, while the sum is 37.

The square root of 135471556 is about 11639.2248882819. The cubic root of 135471556 is about 513.5893857613.

The spelling of 135471556 in words is "one hundred thirty-five million, four hundred seventy-one thousand, five hundred fifty-six".