135470481 has 4 divisors (see below), whose sum is σ = 180627312. Its totient is φ = 90313652.

The previous prime is 135470477. The next prime is 135470507. The reversal of 135470481 is 184074531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135470481 - 2² = 135470477 is a prime.

It is a super-2 number, since 2×135470481² = 36704502444742722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135470581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22578411 + ... + 22578416.

It is an arithmetic number, because the mean of its divisors is an integer number (45156828).

Almost surely, 2^135470481 is an apocalyptic number.

It is an amenable number.

135470481 is a deficient number, since it is larger than the sum of its proper divisors (45156831).

135470481 is an equidigital number, since it uses as much as digits as its factorization.

135470481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45156830.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 135470481 is about 11639.1787081392. The cubic root of 135470481 is about 513.5880272718.

The spelling of 135470481 in words is "one hundred thirty-five million, four hundred seventy thousand, four hundred eighty-one".