7138498 has 8 divisors (see below), whose sum is σ = 10837008. Its totient is φ = 3526164.

The previous prime is 7138489. The next prime is 7138513. The reversal of 7138498 is 8948317.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7138498.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21336 + ... + 21667.

It is an arithmetic number, because the mean of its divisors is an integer number (1354626).

Almost surely, 2^7138498 is an apocalyptic number.

7138498 is a deficient number, since it is larger than the sum of its proper divisors (3698510).

7138498 is a wasteful number, since it uses less digits than its factorization.

7138498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43088.

The product of its digits is 48384, while the sum is 40.

The square root of 7138498 is about 2671.7967737087. The cubic root of 7138498 is about 192.5464935204.

The spelling of 7138498 in words is "seven million, one hundred thirty-eight thousand, four hundred ninety-eight".