5405173138 has 4 divisors (see below), whose sum is σ = 8107759710. Its totient is φ = 2702586568.

The previous prime is 5405173099. The next prime is 5405173139. The reversal of 5405173138 is 8313715045.

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., 3494346769 + 1910826369 = 59113^2 + 43713^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5405173097 and 5405173106.

It is not an unprimeable number, because it can be changed into a prime (5405173139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1351293283 + ... + 1351293286.

Almost surely, 2^5405173138 is an apocalyptic number.

5405173138 is a deficient number, since it is larger than the sum of its proper divisors (2702586572).

5405173138 is a wasteful number, since it uses less digits than its factorization.

5405173138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702586571.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 5405173138 is about 73519.8826032795. The cubic root of 5405173138 is about 1754.9706992075.

The spelling of 5405173138 in words is "five billion, four hundred five million, one hundred seventy-three thousand, one hundred thirty-eight".