138607362 has 20 divisors (see below), whose sum is σ = 310583526. Its totient is φ = 46202400.

The previous prime is 138607351. The next prime is 138607367. The reversal of 138607362 is 263706831.

It is a happy number.

138607362 is a `hidden beast` number, since 13 + 8 + 607 + 36 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 135001161 + 3606201 = 11619^2 + 1899^2 .

It is not an unprimeable number, because it can be changed into a prime (138607367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 427639 + ... + 427962.

Almost surely, 2^138607362 is an apocalyptic number.

138607362 is an abundant number, since it is smaller than the sum of its proper divisors (171976164).

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

138607362 is an equidigital number, since it uses as much as digits as its factorization.

138607362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855615 (or 855606 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 138607362 is about 11773.1627866092. The cubic root of 138607362 is about 517.5219398386.

The spelling of 138607362 in words is "one hundred thirty-eight million, six hundred seven thousand, three hundred sixty-two".