138162814 has 4 divisors (see below), whose sum is σ = 207244224. Its totient is φ = 69081406.

The previous prime is 138162811. The next prime is 138162917. The reversal of 138162814 is 418261831.

138162814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 138162814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138162811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34540702 + ... + 34540705.

It is an arithmetic number, because the mean of its divisors is an integer number (51811056).

Almost surely, 2^138162814 is an apocalyptic number.

138162814 is a deficient number, since it is larger than the sum of its proper divisors (69081410).

138162814 is an equidigital number, since it uses as much as digits as its factorization.

138162814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69081409.

The product of its digits is 9216, while the sum is 34.

The square root of 138162814 is about 11754.2679057439. The cubic root of 138162814 is about 516.9680737817.

The spelling of 138162814 in words is "one hundred thirty-eight million, one hundred sixty-two thousand, eight hundred fourteen".