138827094 has 48 divisors (see below), whose sum is σ = 328322736. Its totient is φ = 39009600.

The previous prime is 138827077. The next prime is 138827173. The reversal of 138827094 is 490728831.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14064 + ... + 21804.

It is an arithmetic number, because the mean of its divisors is an integer number (6840057).

Almost surely, 2^138827094 is an apocalyptic number.

138827094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 138827094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164161368).

138827094 is an abundant number, since it is smaller than the sum of its proper divisors (189495642).

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

138827094 is a wasteful number, since it uses less digits than its factorization.

138827094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7821 (or 7814 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 138827094 is about 11782.4909929946. The cubic root of 138827094 is about 517.7952684972.

It can be divided in two parts, 1388 and 27094, that added together give a palindrome (28482).

The spelling of 138827094 in words is "one hundred thirty-eight million, eight hundred twenty-seven thousand, ninety-four".