136362321 has 48 divisors (see below), whose sum is σ = 219220560. Its totient is φ = 81285120.

The previous prime is 136362319. The next prime is 136362341. The reversal of 136362321 is 123263631.

It is a happy number.

136362321 is a `hidden beast` number, since 1 + 3 + 636 + 2 + 3 + 21 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 3651921 + 132710400 = 1911^2 + 11520^2 .

It is not a de Polignac number, because 136362321 - 2¹ = 136362319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136362301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 323691 + ... + 324111.

It is an arithmetic number, because the mean of its divisors is an integer number (4567095).

Almost surely, 2^136362321 is an apocalyptic number.

It is an amenable number.

136362321 is a deficient number, since it is larger than the sum of its proper divisors (82858239).

136362321 is a wasteful number, since it uses less digits than its factorization.

136362321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 543 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 136362321 is about 11677.4278417809. The cubic root of 136362321 is about 514.7125942169.

The spelling of 136362321 in words is "one hundred thirty-six million, three hundred sixty-two thousand, three hundred twenty-one".