138049627 has 4 divisors (see below), whose sum is σ = 141780736. Its totient is φ = 134318520.

The previous prime is 138049621. The next prime is 138049661. The reversal of 138049627 is 726940831.

138049627 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, and also an emirpimes, since its reverse is a distinct semiprime: 726940831 = 199 ⋅3652969.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138049627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138049627.

It is not an unprimeable number, because it can be changed into a prime (138049621) 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, 1865499 + ... + 1865572.

It is an arithmetic number, because the mean of its divisors is an integer number (35445184).

Almost surely, 2^138049627 is an apocalyptic number.

138049627 is a deficient number, since it is larger than the sum of its proper divisors (3731109).

138049627 is an equidigital number, since it uses as much as digits as its factorization.

138049627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731108.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 138049627 is about 11749.4521999964. The cubic root of 138049627 is about 516.8268634474.

The spelling of 138049627 in words is "one hundred thirty-eight million, forty-nine thousand, six hundred twenty-seven".