138416627 has 4 divisors (see below), whose sum is σ = 139971960. Its totient is φ = 136861296.

The previous prime is 138416563. The next prime is 138416651. The reversal of 138416627 is 726614831.

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

It is a cyclic number.

It is not a de Polignac number, because 138416627 - 2⁶ = 138416563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138316627) 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, 777533 + ... + 777710.

It is an arithmetic number, because the mean of its divisors is an integer number (34992990).

Almost surely, 2^138416627 is an apocalyptic number.

138416627 is a deficient number, since it is larger than the sum of its proper divisors (1555333).

138416627 is an equidigital number, since it uses as much as digits as its factorization.

138416627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555332.

The product of its digits is 48384, while the sum is 38.

The square root of 138416627 is about 11765.0595833595. The cubic root of 138416627 is about 517.2844467794.

The spelling of 138416627 in words is "one hundred thirty-eight million, four hundred sixteen thousand, six hundred twenty-seven".