7258481138 has 8 divisors (see below), whose sum is σ = 10888550400. Its totient is φ = 3628964340.

The previous prime is 7258481123. The next prime is 7258481147. The reversal of 7258481138 is 8311848527.

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

It is a junction number, because it is equal to n+sod(n) for n = 7258481092 and 7258481101.

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, 103538 + ... + 158861.

It is an arithmetic number, because the mean of its divisors is an integer number (1361068800).

Almost surely, 2^7258481138 is an apocalyptic number.

7258481138 is a deficient number, since it is larger than the sum of its proper divisors (3630069262).

7258481138 is a wasteful number, since it uses less digits than its factorization.

7258481138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276232.

The product of its digits is 430080, while the sum is 47.

The square root of 7258481138 is about 85196.7202302999. The cubic root of 7258481138 is about 1936.1927259658.

The spelling of 7258481138 in words is "seven billion, two hundred fifty-eight million, four hundred eighty-one thousand, one hundred thirty-eight".