135213461 has 8 divisors (see below), whose sum is σ = 143316864. Its totient is φ = 127126720.

The previous prime is 135213431. The next prime is 135213467. The reversal of 135213461 is 164312531.

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

It is a cyclic number.

It is not a de Polignac number, because 135213461 - 2¹⁸ = 134951317 is a prime.

It is a super-3 number, since 3×135213461³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135213461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135213467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15146 + ... + 22356.

It is an arithmetic number, because the mean of its divisors is an integer number (17914608).

Almost surely, 2^135213461 is an apocalyptic number.

It is an amenable number.

135213461 is a deficient number, since it is larger than the sum of its proper divisors (8103403).

135213461 is a wasteful number, since it uses less digits than its factorization.

135213461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8331.

The product of its digits is 2160, while the sum is 26.

The square root of 135213461 is about 11628.1323091888. The cubic root of 135213461 is about 513.2630217504.

Adding to 135213461 its reverse (164312531), we get a palindrome (299525992).

The spelling of 135213461 in words is "one hundred thirty-five million, two hundred thirteen thousand, four hundred sixty-one".