182138239264 has 24 divisors (see below), whose sum is σ = 358618430268. Its totient is φ = 91060542720.

The previous prime is 182138239253. The next prime is 182138239267. The reversal of 182138239264 is 462932831281.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 164112491664 + 18025747600 = 405108^2 + 134260^2 .

It is a super-2 number, since 2×182138239264² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (182138239267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84174 + ... + 609394.

Almost surely, 2^182138239264 is an apocalyptic number.

It is an amenable number.

182138239264 is a deficient number, since it is larger than the sum of its proper divisors (176480191004).

182138239264 is a wasteful number, since it uses less digits than its factorization.

182138239264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536068 (or 536060 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The spelling of 182138239264 in words is "one hundred eighty-two billion, one hundred thirty-eight million, two hundred thirty-nine thousand, two hundred sixty-four".