5138320354 has 4 divisors (see below), whose sum is σ = 7707480534. Its totient is φ = 2569160176.

The previous prime is 5138320337. The next prime is 5138320357. The reversal of 5138320354 is 4530238315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4530238315 = 5 ⋅906047663.

It can be written as a sum of positive squares in only one way, i.e., 3722830225 + 1415490129 = 61015^2 + 37623^2 .

It is not an unprimeable number, because it can be changed into a prime (5138320357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1284580087 + ... + 1284580090.

Almost surely, 2^5138320354 is an apocalyptic number.

5138320354 is a deficient number, since it is larger than the sum of its proper divisors (2569160180).

5138320354 is a wasteful number, since it uses less digits than its factorization.

5138320354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569160179.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 5138320354 is about 71682.0783320350. The cubic root of 5138320354 is about 1725.6010344441.

Adding to 5138320354 its reverse (4530238315), we get a palindrome (9668558669).

The spelling of 5138320354 in words is "five billion, one hundred thirty-eight million, three hundred twenty thousand, three hundred fifty-four".