7138437 has 8 divisors (see below), whose sum is σ = 9846240. Its totient is φ = 4594800.

The previous prime is 7138409. The next prime is 7138489. The reversal of 7138437 is 7348317.

7138437 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7138437 - 2⁷ = 7138309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7138398 and 7138407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40939 + ... + 41112.

It is an arithmetic number, because the mean of its divisors is an integer number (1230780).

Almost surely, 2^7138437 is an apocalyptic number.

It is an amenable number.

7138437 is a deficient number, since it is larger than the sum of its proper divisors (2707803).

7138437 is a wasteful number, since it uses less digits than its factorization.

7138437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82083.

The product of its digits is 14112, while the sum is 33.

The square root of 7138437 is about 2671.7853581454. The cubic root of 7138437 is about 192.5459450685.

The spelling of 7138437 in words is "seven million, one hundred thirty-eight thousand, four hundred thirty-seven".