135662274 has 48 divisors (see below), whose sum is σ = 322100064. Its totient is φ = 40924800.

The previous prime is 135662269. The next prime is 135662279. The reversal of 135662274 is 472266531.

135662274 is a `hidden beast` number, since 1 + 3 + 566 + 22 + 74 = 666.

It is an interprime number because it is at equal distance from previous prime (135662269) and next prime (135662279).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135662279) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46297 + ... + 49139.

It is an arithmetic number, because the mean of its divisors is an integer number (6710418).

Almost surely, 2^135662274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135662274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161050032).

135662274 is an abundant number, since it is smaller than the sum of its proper divisors (186437790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135662274 is a wasteful number, since it uses less digits than its factorization.

135662274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103 (or 3100 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 135662274 is about 11647.4149063215. The cubic root of 135662274 is about 513.8302845743.

The spelling of 135662274 in words is "one hundred thirty-five million, six hundred sixty-two thousand, two hundred seventy-four".