138527802 has 36 divisors (see below), whose sum is σ = 349148826. Its totient is φ = 39579120.

The previous prime is 138527801. The next prime is 138527813. The reversal of 138527802 is 208725831.

138527802 is a `hidden beast` number, since 1 + 385 + 278 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 101183481 + 37344321 = 10059^2 + 6111^2 .

It is not an unprimeable number, because it can be changed into a prime (138527801) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 77649 + ... + 79412.

Almost surely, 2^138527802 is an apocalyptic number.

138527802 is an abundant number, since it is smaller than the sum of its proper divisors (210621024).

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

138527802 is a wasteful number, since it uses less digits than its factorization.

138527802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157083 (or 157073 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 138527802 is about 11769.7834304629. The cubic root of 138527802 is about 517.4229024682.

The spelling of 138527802 in words is "one hundred thirty-eight million, five hundred twenty-seven thousand, eight hundred two".