133612461 has 6 divisors (see below), whose sum is σ = 192995790. Its totient is φ = 89074968.

The previous prime is 133612459. The next prime is 133612477. The reversal of 133612461 is 164216331.

133612461 is a `hidden beast` number, since 1 + 3 + 3 + 612 + 46 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 130096836 + 3515625 = 11406^2 + 1875^2 .

It is not a de Polignac number, because 133612461 - 2¹ = 133612459 is a prime.

It is a super-3 number, since 3×133612461³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133612441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7422906 + ... + 7422923.

It is an arithmetic number, because the mean of its divisors is an integer number (32165965).

Almost surely, 2^133612461 is an apocalyptic number.

It is an amenable number.

133612461 is a deficient number, since it is larger than the sum of its proper divisors (59383329).

133612461 is a wasteful number, since it uses less digits than its factorization.

133612461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14845835 (or 14845832 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 133612461 is about 11559.0856472301. The cubic root of 133612461 is about 511.2292033872.

Adding to 133612461 its reverse (164216331), we get a palindrome (297828792).

The spelling of 133612461 in words is "one hundred thirty-three million, six hundred twelve thousand, four hundred sixty-one".