5426842138 has 4 divisors (see below), whose sum is σ = 8140263210. Its totient is φ = 2713421068.

The previous prime is 5426842039. The next prime is 5426842147. The reversal of 5426842138 is 8312486245.

It is a happy number.

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., 4425309529 + 1001532609 = 66523^2 + 31647^2 .

It is a super-2 number, since 2×5426842138² = 58901231181544822088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5426842094 and 5426842103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1356710533 + ... + 1356710536.

Almost surely, 2^5426842138 is an apocalyptic number.

5426842138 is a deficient number, since it is larger than the sum of its proper divisors (2713421072).

5426842138 is a wasteful number, since it uses less digits than its factorization.

5426842138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2713421071.

The product of its digits is 368640, while the sum is 43.

The square root of 5426842138 is about 73667.1034994590. The cubic root of 5426842138 is about 1757.3127614065.

The spelling of 5426842138 in words is "five billion, four hundred twenty-six million, eight hundred forty-two thousand, one hundred thirty-eight".