7138249 has 8 divisors (see below), whose sum is σ = 7650720. Its totient is φ = 6636096.

The previous prime is 7138237. The next prime is 7138273. The reversal of 7138249 is 9428317.

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

It is a cyclic number.

It is not a de Polignac number, because 7138249 - 2⁵ = 7138217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7138279) 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, 1119 + ... + 3940.

It is an arithmetic number, because the mean of its divisors is an integer number (956340).

Almost surely, 2^7138249 is an apocalyptic number.

It is an amenable number.

7138249 is a deficient number, since it is larger than the sum of its proper divisors (512471).

7138249 is a wasteful number, since it uses less digits than its factorization.

7138249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5159.

The product of its digits is 12096, while the sum is 34.

The square root of 7138249 is about 2671.7501754468. The cubic root of 7138249 is about 192.5442547379.

The spelling of 7138249 in words is "seven million, one hundred thirty-eight thousand, two hundred forty-nine".