7353247138 has 4 divisors (see below), whose sum is σ = 11029870710. Its totient is φ = 3676623568.

The previous prime is 7353247117. The next prime is 7353247183. The reversal of 7353247138 is 8317423537.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4777989129 + 2575258009 = 69123^2 + 50747^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7353247094 and 7353247103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1838311783 + ... + 1838311786.

Almost surely, 2^7353247138 is an apocalyptic number.

7353247138 is a deficient number, since it is larger than the sum of its proper divisors (3676623572).

7353247138 is a wasteful number, since it uses less digits than its factorization.

7353247138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3676623571.

The product of its digits is 423360, while the sum is 43.

The square root of 7353247138 is about 85751.0765996556. The cubic root of 7353247138 is about 1944.5825647739.

The spelling of 7353247138 in words is "seven billion, three hundred fifty-three million, two hundred forty-seven thousand, one hundred thirty-eight".