138514802 has 8 divisors (see below), whose sum is σ = 209678700. Its totient is φ = 68621904.

The previous prime is 138514801. The next prime is 138514819. The reversal of 138514802 is 208415831.

It can be written as a sum of positive squares in 2 ways, for example, as 115369081 + 23145721 = 10741^2 + 4811^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (138514801) 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, 317477 + ... + 317912.

Almost surely, 2^138514802 is an apocalyptic number.

138514802 is a deficient number, since it is larger than the sum of its proper divisors (71163898).

138514802 is a wasteful number, since it uses less digits than its factorization.

138514802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635500.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 138514802 is about 11769.2311558572. The cubic root of 138514802 is about 517.4067162874.

The spelling of 138514802 in words is "one hundred thirty-eight million, five hundred fourteen thousand, eight hundred two".