7138626 has 16 divisors (see below), whose sum is σ = 15575328. Its totient is φ = 2163200.

The previous prime is 7138619. The next prime is 7138631. The reversal of 7138626 is 6268317.

7138626 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54015 + ... + 54146.

It is an arithmetic number, because the mean of its divisors is an integer number (973458).

Almost surely, 2^7138626 is an apocalyptic number.

7138626 is an abundant number, since it is smaller than the sum of its proper divisors (8436702).

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

7138626 is a wasteful number, since it uses less digits than its factorization.

7138626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108177.

The product of its digits is 12096, while the sum is 33.

The square root of 7138626 is about 2671.8207275190. The cubic root of 7138626 is about 192.5476443603.

It can be divided in two parts, 713 and 8626, that added together give a palindrome (9339).

The spelling of 7138626 in words is "seven million, one hundred thirty-eight thousand, six hundred twenty-six".